Container leasing contract management system and method

Abstract

The invention provides a container leasing contract management system and method.The system comprises a man-machine interaction module, a user authority management module, a contract management module and an approval workflow engine module, and the contract management module comprises a container leasing contract management sub-module, a main contract and sub-contract management sub-module and a contract information updating and renewing sub-module; different roles are set for all users according to different posts, and a corresponding contract authority is set for each role, so that the users of different roles can only access and operate corresponding contract information and functions; a corresponding contract making interface is dynamically generated through responsive design and modular layout, a box renting contract is generated, and the system flexibility is enhanced through the structured layout; meanwhile, main and sub contract association is introduced, so that the consistency and compliance of data in a specific business scene are enhanced; and finally, different approval flows and corresponding circulation rules are configured for the contracts processed by the modules, so that information sharing between different departments and systems is smoother.

Description

Technical Field

[0001] The present invention relates to the technical field of container lease contract management, and particularly to a container lease contract management system and method. Background Art

[0002] With the continuous development of global trade, containers, as an important carrier for cargo transportation, have seen an increase in their lease business. Container leasing involves not only operating leases but also various business models such as financial leases and transportation contracts. These business models require leasing companies to manage contracts efficiently and flexibly to meet the needs of different customers and market changes.

[0003] In the existing management of container lease contracts, most systems adopt traditional contract management methods, which have the following problems and disadvantages: 1) Low contract management efficiency: Traditional contract management systems often require a large amount of manual information input, which is time-consuming and error-prone; especially when the number of contracts is huge, management efficiency becomes a bottleneck restricting the development of enterprises. 2) Complicated contract approval process: The approval process usually involves multiple departments and levels, with long information transmission and approval cycles, affecting the quick response and execution of contracts and resulting in low approval efficiency. 3) Difficult contract information update: When contract information needs to be updated, traditional systems often require the entire contract document to be resubmitted, increasing the workload and approval time. 4) Inflexible contract clause management: When dealing with the relationship between the master contract and the sub-contracts, traditional systems are difficult to achieve the sharing and independent maintenance of clauses, restricting the flexibility and personalized needs of contracts. 5) Information silo problem: The information sharing between different departments and systems is not smooth, forming information silos, which affects the integrity and coordination of contract management. 6) Insufficient user permission management: Existing systems may not be detailed enough in user permission management and cannot ensure that users with different roles can only access and operate corresponding contract information and functions. 7) Challenges in data security and backup: With the increase in data volume, existing systems face challenges in ensuring data security and achieving effective backup. Summary of the Invention

[0004] To solve the problems in the prior art such as low contract management efficiency, complicated approval process, inflexible management, insufficient user permission management, and data security and backup for container lease contracts, the present invention provides a container lease contract management system, which solves problems such as low contract management efficiency, complicated approval process, and difficult information update, and provides a more efficient, flexible, and intelligent contract management solution for the container leasing industry. The present invention also relates to a container lease contract management method.

[0005] The technical solution of the present invention is as follows:

[0006] A container lease contract management system, characterized in that it includes a human-computer interaction module, a user permission management module, a contract management module, and an approval workflow engine module. The contract management module includes a container lease contract management sub-module, a master contract and sub-contract management sub-module, and a contract information update and renewal sub-module. The human-computer interaction module is connected to the user permission management module, and the user permission management module is respectively connected to the contract management module and the approval workflow engine module.

[0007] The human-computer interaction module has a human-computer interaction interface for users to select to input, query, and edit contract information, and a contract approval interface for approvers to approve container lease contracts.

[0008] The user permission management module sets different roles for all users according to their positions based on the RBAC model, and sets corresponding contract permissions for each role. The contract permissions include contract management permissions and contract approval permissions.

[0009] After receiving a selection confirmation instruction for the user to input or edit contract information selected on the human-computer interaction interface, the container lease contract management sub-module verifies relevant fields and associates and brings them out, dynamically generates a corresponding contract formulation interface through responsive design and modular layout, and dynamically adjusts the contract form structure according to the container lease contract type. After receiving the contract information entered by a user with contract management permissions on the contract formulation interface, it automatically creates an approval task and tracks the approval status, and then submits it to the contract approval interface of the human-computer interaction module for approval. After receiving an instruction from an approver with contract approval permissions that the approval on the contract approval interface is passed, it generates a container lease contract.

[0010] The master contract and sub-contract management sub-module is used for users with contract management permissions to create a master contract covering the main terms and conditions of container leasing, and to create multiple sub-contracts covering the implementation details of return container terms or supplementary agreements under the master contract, establish the association relationship between each sub-contract and the return container terms of the master contract, and perform synchronous management.

[0011] The contract information update and renewal sub-module is used to update and edit all container lease contracts, and supports changing the effective date of the contract. It monitors the validity periods of all lease contracts, and automatically judges whether a renewal is required during a specific period before a certain container lease contract expires. Based on business logic, it generates a renewal application option for eligible contracts. After receiving the approval of the renewal application submitted by a user with contract management permissions, it generates a renewal review option. After receiving an instruction from an approver with contract approval permissions that the approval is passed, it updates the effective date of the lease contract that needs to be renewed and automatically generates a new renewal contract.

[0012] The approval workflow engine module is used to configure different approval workflows for the contracts processed by each module. After the contracts of each module are submitted for approval, they are automatically transferred to the approval workflows configured for each module, and the contracts are submitted to the corresponding approval personnel with contract approval authority through the contract approval interface according to the approval workflow transfer rules of different logical branches configured, so as to complete the management of container lease contracts.

[0013] Preferably, it further includes a central database, which is respectively connected to the contract management module and the approval workflow engine module, and is used to store the contract information of all modules and the master data related to the contract information.

[0014] Preferably, it further includes a data security and backup module, which is interconnected with the central database, adopts a multiple backup strategy and access control mechanism, and combines the encryption storage and secure API access of all data in the central database to ensure the security and reliability of contract data.

[0015] Preferably, the human-computer interaction module further includes a message notification sub-module, which is connected to the approval workflow engine module and is used to notify the relevant personnel in real time of the feedback information of approval or rejection given by the approval personnel; the notification methods of the message notification sub-module include message template customization, instant message sending, scheduled sending, single sending, group sending, re-sending, reissuing, and multi-channel notifications via enterprise WeChat and email to ensure that the information is delivered accurately and error-free. At the same time, it is equipped with a message arrival rate statistics mechanism and a failure alarm mechanism to ensure communication quality.

[0016] Preferably, the master contract and sub-contract management sub-module also supports users with contract management authority to independently maintain each contract clause in the master contract and sub-contracts; the contract clauses include contract basic information and contract container type information.

[0017] Preferably, the container lease contract management sub-module is also used to maintain the key information of all contracts and supports the formulation of multiple contract types; the key information includes equipment information and return box terms; the contract types include long-term lease, flexible lease, financial lease, and transportation contract.

[0018] A method for managing container lease contracts, characterized in that the method includes the following steps:

[0019] User permission management step, based on the RBAC model, different roles are set for all users according to their positions, and corresponding contract permissions are set for each role, and the contract permissions include contract management permissions and contract approval permissions;

[0020] The human-computer interaction step includes setting a human-computer interaction interface for users to select, input, query and edit contract information, and a contract approval interface for approval personnel to approve the container leasing contract;

[0021] The container rental contract management step is to verify and associate the relevant fields after receiving the user's selection confirmation instruction for inputting or editing contract information in the human-computer interaction interface, dynamically generate the corresponding contract formulation interface through responsive design and modular layout, and dynamically adjust the contract form structure according to the container rental contract type; after receiving the contract information entered by the user with contract management authority in the contract formulation interface, automatically create an approval task and track the approval status, and then submit it to the human-computer interaction contract approval interface for approval, and configure different approval flows for each contract. When each contract is submitted for approval, it will automatically flow to the approval flow configured for each contract, and submit the contract to the corresponding approver with contract approval authority through the contract approval interface for review according to the approval flow flow rules of the configured different logical branches. After receiving the instruction of passing the review, the container rental contract is automatically generated according to the entered contract information;

[0022] The main contract and sub-contract management step automatically creates a main contract covering the main terms and conditions of the container rental based on all the contract contents of the generated container rental contract for users with contract management authority, and creates multiple sub-contracts covering the implementation details of the container return terms or supplementary agreements under the main contract, and establishes the association relationship between each sub-contract and the container return terms of the main contract, and performs synchronous management;

[0023] The contract information update and renewal steps monitor the validity period of all lease contracts, automatically determine whether a container lease contract needs to be renewed in a specific time period before its expiration, generate renewal application options for eligible contracts based on business logic, and generate renewal review options after receiving the renewal application approval submitted by a user with contract management authority. After receiving the instruction approved by the approver with contract approval authority, update the effective date of the lease contract that needs to be renewed, and automatically generate a new renewal contract to complete the management of container lease contracts.

[0024] Preferably, in the human-computer interaction step, after the approving personnel conducts the approval, the feedback information of approval or rejection given by the approving personnel is notified to the relevant personnel in real time.

[0025] Preferably, the notification methods for real-time notification of the reviewer's feedback information include message template customization, instant message sending, scheduled sending, single sending, group sending, resending, reissuing, and multi-channel notifications of corporate WeChat and email, to ensure that the information is delivered accurately, and at the same time, it is equipped with a message arrival rate statistics mechanism and a failure alarm mechanism to ensure communication quality.

[0026] Preferably, in the main contract and sub - contract management steps, after establishing the association relationship between each sub - contract and the return - container clause of the main contract, the key information of all contracts is also maintained, and multiple contract types are supported; the key information includes equipment information and return - container clauses, and the contract types include long - term lease, flexible lease, financial lease, and transportation contract.

[0027] The beneficial effects of the present invention are as follows:

[0028] A container lease contract management system provided by the present invention includes a human - machine interaction module, a user - permission management module, a contract management module, and an approval workflow engine module. The human - machine interaction module has a human - machine interaction interface for users to select to input, query, and edit contract information, and a contract approval interface for approvers to approve container lease contracts. The user - permission management module sets different roles for all users according to different positions based on the RBAC model, and sets corresponding contract permissions (contract management permissions and contract approval permissions) for each role, ensuring that users with different roles can only access and operate corresponding contract information and functions, realizing the refined management of permissions, and ensuring the security and flexibility at the operation level. The leased - container contract management sub - module is used to verify and associated - bring out relevant fields input by users, effectively improving the efficiency of data entry and reducing human errors; and dynamically generates corresponding contract - making interfaces and generates leased - container contracts through responsive design and modular layout, enabling users to customize the contract form structure according to specific business situations, with a structured layout, enhancing the flexibility of the system. The main - contract and sub - contract management sub - module is used for users with contract - management permissions to create a main contract covering the main terms and conditions of container leasing, and create multiple sub - contracts covering the implementation details of return - container clauses or supplementary agreements under the main contract, and establish the association relationship between each sub - contract and the return - container clause of the main contract. By introducing the association between the main and sub - contracts, the consistency and compliance of data in specific business scenarios are strengthened, and instantaneous synchronization of changes is achieved; the contract - information update and renewal sub - module is used to update, edit, and renew all leased - container contracts without re - submitting the entire contract document, effectively shortening the workload and approval time. The approval workflow engine module configures different approval flows for the contracts processed by each module. When the contracts of each module are submitted for approval, they automatically flow into the approval flows configured for each module respectively, and are submitted to the corresponding approvers with contract - approval permissions through the contract approval interface according to the approval - flow transfer rules of different logical branches configured, making the information sharing between different departments and systems smoother, realizing the integrity and coordination of contract management to complete the management of container lease contracts.

[0029] The approval process of the present invention only involves a small number of departments and levels, with short information transmission and approval cycles, which speeds up the rapid response and execution of contracts. At the same time, the approval efficiency is high, effectively solving problems such as low contract management efficiency, cumbersome approval processes, and difficult information updates, providing a more efficient, flexible, and intelligent contract management solution for the container leasing industry.

[0030] The present invention also relates to a method for managing container lease contracts. This method corresponds to the above-mentioned container lease contract management system and can be understood as the implementation method of the above container lease contract management system. This method includes user permission management steps, human-computer interaction steps, leased container contract management steps, master contract and sub-contract management steps, and contract information update and renewal steps. Specific models are used to set user management permissions, and corresponding contract formulation interfaces are dynamically generated through responsive design and modular layout. The contract form structure is dynamically adjusted according to the type of leased container contract, and approval tasks are automatically created and approval status tracking is carried out. Leased container contracts are automatically generated, the association relationship between the return terms of each sub-contract and the master contract is established and synchronized management is carried out. The validity period of the lease contract is monitored, expiration reminders are generated, and corresponding renewal options are generated. New renewal contracts are automatically generated, avoiding problems in the prior art such as low contract management efficiency, cumbersome approval processes, inflexible management, and insufficient user permission management in leased container contracts, and realizing the management of efficient, flexible scalability, and intelligent container lease contracts. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a preferred structural diagram of the container lease contract management system of the present invention.

[0032] Figure 2 It is a working flow diagram of the container lease contract management system of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0033] The present invention will be described below with reference to the accompanying drawings.

[0034] The present invention relates to a container lease contract management system, and the preferred structure of the system is as Figure 1As shown in the figure, it includes a human-computer interaction module, a user permission management module, a contract management module, an approval workflow engine module, a central database, and a data security and backup module. Among them, the contract management module includes a leased container contract management sub-module, a master contract and sub-contract management sub-module, a contract information update and renewal sub-module. The human-computer interaction module is connected to the user permission management module, and the user permission management module and the central database are respectively connected to the contract management module and the approval workflow engine module. The data security and backup module is interconnected with the central database. Preferably, the human-computer interaction module includes a message notification sub-module, and the message notification sub-module is connected to the approval workflow engine module for real-time notification of the feedback information of approval or rejection given by the approval personnel to the relevant personnel. The notification methods of the message notification sub-module include message template customization, instant message sending, scheduled sending, single sending, group sending, resending, reissuing, and multi-channel notification via enterprise WeChat and email to ensure accurate delivery of information. At the same time, a message arrival rate statistics mechanism and a failure alarm mechanism are equipped to ensure communication quality.

[0035] Among them, the human-computer interaction module has a human-computer interaction interface for users to select to input, query, and edit contract information, and a contract approval interface for approval personnel to approve container lease contracts.

[0036] The user permission management module sets different roles for all users according to their positions based on the RBAC model (i.e., the role-based access control model, a widely adopted access control mechanism that simplifies permission management by associating permissions with roles and then assigning users to these roles), and sets corresponding contract permissions for each role. The contract permissions include contract management permissions and contract approval permissions, that is, all roles are divided into users with contract management permissions and approval personnel with contract approval permissions. By binding permissions and users, it is ensured that users of different roles can only access and operate the corresponding contract information and functions.

[0037] Contract Management Module: It is mainly responsible for handling the addition, renewal, revision, and flexible entry of contracts. It includes: the Leasing Container Contract Management Sub-module, the Master Contract and Sub-Contract Management Sub-module, and the Contract Information Update and Renewal Sub-module; among them, after receiving the input selected by the user on the human-computer interaction interface or the selection confirmation instruction for editing contract information, the Leasing Container Contract Management Sub-module verifies relevant fields and associates and brings them out, dynamically generates the corresponding contract formulation interface through responsive design and modular layout, and dynamically adjusts the contract form structure according to the leasing container contract type; after receiving the contract information entered by the user with contract management permission on the contract formulation interface, it automatically creates an approval task and tracks the approval status, and then submits it to the contract approval interface of the human-computer interaction module for approval; after receiving the instruction of approval passed by the approver with contract approval permission on the contract approval interface, it generates a leasing container contract; and is used to maintain key information such as the equipment information and redelivery terms of all contracts (that is, maintain the association relationship of the redelivery terms of the master contract and the sub-contract), and at the same time support the formulation of multiple contract types such as long-term lease, flexible lease, financial lease, and transportation contract.

[0038] The Master Contract and Sub-Contract Management Sub-module is used for users with contract management permission to create a master contract covering the main terms and conditions of container leasing, and can flexibly create multiple sub-contracts covering the implementation details of redelivery terms or supplementary agreements under the master contract, and establish the association relationship between the redelivery terms of the sub-contract and the master contract, and conduct synchronous management, that is, the sub-contract can inherit the redelivery terms of the master contract, or it can be understood that the sub-contract shares the redelivery terms (redelivery location and redelivery quantity limit, etc.) configured in the master contract with the master contract, and supports users with contract management permission to independently maintain several contract terms in addition to the master contract and the sub-contract, such as contract basic information: including time, customer, payment-related, container repair, DV (calculate the fees related to lost containers (lost or total loss, containers that can no longer be used), etc. relevant agreements; contract container type information: including container pick-up restrictions, basic rent, and other operation fee terms, DPP insurance terms, DV and Buyout information (buyout, allowing the container leasing customer to purchase the leased container at a pre-negotiated price), etc., if it is a reefer container (refrigerated container), there will be separate relevant information terms, etc.) to meet the personalized needs of different customers; at the same time, it also uses data version management to simplify the contract update process and provide a version comparison view to ensure the continuity and traceability of data. Introduce the association between the master contract and the sub-contract to strengthen the consistency and compliance of data in specific business scenarios and achieve instantaneous synchronization of changes.

[0039] The contract information update and renewal sub-module is used to update and edit all container lease contracts, and supports changing the effective date of the contract; monitor the validity period of all lease contracts, and automatically determine whether to renew a certain container lease contract within a specific period before it expires. Based on the business logic, generate renewal application options for eligible contracts. After receiving the approval of the renewal application submitted by a user with contract management authority, generate renewal review options. After receiving the instruction of approval passed by an approver with contract approval authority, update the effective date of the lease contract that needs to be renewed and automatically generate a new renewal contract.

[0040] The approval workflow engine module is used to configure different approval flows for the contracts processed by each module. When the contracts of each module are submitted for approval, they are automatically transferred to the approval flows configured for each module respectively, and the contracts are submitted to the corresponding approvers with contract approval authority through the contract approval interface for review according to the approval flow transfer rules of different logical branches configured, so as to complete the management of container lease contracts.

[0041] The central database is used to store the contract information of all modules and the master data related to the contract information, etc.

[0042] The data security and backup module is a policy mechanism provided by the database underlying instance, which adopts multiple backup strategies and access control mechanisms, and combines with the encryption storage and secure API access of all data in the central database to comprehensively protect data security and ensure the security and reliability of contract data.

[0043] Embodiment, such as Figure 2 The working flow chart of the container lease contract management system of the present invention shown as follows:

[0044] S1: The customer confirms the long-term service agreement (LTS, Long Term Service) by email, that is, the customer first confirms the main terms and service scope of the long-term service agreement by email to ensure that the customer has a basic understanding and consent of the lease contract to be signed.

[0045] S2: The customer creates a contract application on the human-computer interaction interface of the system. At this time, the container lease contract management sub-module sets the contract status to "Draft", that is, the customer creates a new contract application in the company's contract management system. At this time, the status of the contract is marked as "draft", which means that the contract is still in the drafting stage and has not passed any formal approval procedures.

[0046] S3: The customer submits a contract approval application. After submitting the contract approval application, the contract status changes to "In Review". That is, the container leasing contract management sub-module generates a corresponding contract drafting interface. When the customer completes the compilation of the contract draft, they can submit an approval application. Once submitted, the contract status will be automatically updated to "Under Review" (the container leasing contract management sub-module sets this contract status update), indicating that the contract is awaiting internal approval. Contract-related data is transmitted in the system via the network and API or messaging.

[0047] S4: The approval workflow engine module routes the contract to the Regional Manager or General Manager (GM) for approval to ensure that the contract content complies with the company's business strategy and regional policies.

[0048] S5: The approval workflow engine module then routes the contract to conduct a Sanction Check to ensure that none of the contract parties are subject to international sanctions, guaranteeing the legality and security of the transaction.

[0049] S6: After both Step S4 and Step S5 are approved simultaneously, that is, when both the approval by the Regional Manager / General Manager and the sanction check are passed, the container leasing contract management sub-module of the system will verify all relevant information and create a formal container leasing contract.

[0050] S7: Confirm the Proofing Report in the system and conduct an approval. That is, after the formal contract is created, the contract text needs to be proofread to ensure the content is accurate. The proofing report will be generated in the system and approved by the relevant responsible person.

[0051] S8: Produce a paper contract.

[0052] S9: The Top Manager conducts an approval.

[0053] S10: Confirm the complete contract with the customer via email to ensure that both parties reach an agreement on the contract content.

[0054] S11: Upload the customer-signed contract or the email confirming the complete contract in the system.

[0055] S12: When all the above steps are completed, the container leasing contract management sub-module in the system activates the contract and changes the contract status to "Active".

[0056] S13: The legal and compliance department reviews whether the signatures are qualified. If the signatures are qualified, the two parties of the contract sign offline.

[0057] S14: Upload the scanned copy of the contract signed by both parties.

[0058] Furthermore, according to the actual business needs, operations such as contract renewal, contract amendment, flexible contract entry, and contract conversion can be performed on the contract.

[0059] The present invention also relates to a method for managing container lease contracts. This method corresponds to the above-mentioned container lease contract management system and can be understood as the implementation method of the above-mentioned container lease contract management system. The method includes the following steps:

[0060] User permission management step: Based on the RBAC model, different roles are set for all users according to their positions, and corresponding contract permissions are set for each role. The contract permissions include contract management permissions and contract approval permissions.

[0061] Human-computer interaction step: A human-computer interaction interface for users to select and input, query, and edit contract information, as well as a contract approval interface for approvers to approve container lease contracts, are set up.

[0062] Lease contract management step: After receiving the selection confirmation instruction for inputting or editing contract information selected by the user on the human-computer interaction interface, relevant fields are verified and associated and brought out. A corresponding contract formulation interface is dynamically generated through responsive design and modular layout, and the contract form structure is dynamically adjusted according to the type of lease contract. After receiving the contract information entered by the user with contract management permissions on the contract formulation interface, an approval task is automatically created and the approval status is tracked, and then it is submitted to the contract approval interface of the human-computer interaction for approval. Different approval flows are configured for each contract. When each contract is submitted for approval, it automatically flows into the respective configured approval flow for each contract, and according to the approval flow transfer rules of different logical branches configured, the contract is submitted to the corresponding approver with contract approval permissions for review through the contract approval interface. After receiving the instruction of approval passed, a lease contract is automatically generated according to the entered contract information.

[0063] Master contract and sub-contract management step: For users with contract management permissions, a master contract covering the main terms and conditions of the container lease is automatically created based on all the contract contents of the generated lease contract, and multiple sub-contracts covering the implementation details of the return container terms or supplementary agreements are created under the master contract. The association relationship between each sub-contract and the return container terms of the master contract is established, and synchronous management is carried out.

[0064] Steps for contract information update and renewal, monitor the validity period of all lease contracts, automatically determine whether to renew a lease contract within a specific period before a certain lease contract expires, generate renewal application options for eligible contracts based on business logic, and generate renewal review options after receiving the approval of the renewal application submitted by a user with contract management authority. After receiving the instruction of approval from an approver with contract approval authority, update the effective date of the lease contract to be renewed, and automatically generate a new renewal contract to complete the management of container lease contracts.

[0065] Preferably, in the human-computer interaction step, after the approver conducts the approval, the feedback information of approval or rejection given by the approver is notified to the relevant personnel in real time.

[0066] Preferably, the notification methods for real-time notification of the approver's feedback information include message template customization, instant message sending, scheduled sending, single sending, group sending, resending, reissuing, and multi-channel notifications via enterprise WeChat and email to ensure accurate delivery of information. At the same time, a message arrival rate statistics mechanism and a failure warning mechanism are equipped to ensure communication quality.

[0067] Preferably, in the main contract and sub-contract management step, after establishing the association relationship between each sub-contract and the return container clause of the main contract, the key information of all contracts is also maintained, and multiple contract types are supported; the key information includes equipment information and return container clauses, and the contract types include long-term lease, flexible lease, financial lease, and transportation contract.

[0068] The present invention provides an objective and scientific container lease contract management system and method, which solves problems such as low contract management efficiency, cumbersome approval processes, and difficult information updates, provides a more efficient, flexible, and intelligent contract management solution for the container leasing industry, realizes the efficient management of container lease contracts, improves the automation level of the approval process, enhances the flexibility of contract terms, and ensures the real-time update and sharing of contract information.

[0069] It should be noted that the above specific embodiments can enable those skilled in the art to understand the present invention more comprehensively, but do not limit the present invention in any way. Therefore, although this specification has described the present invention in detail with reference to the drawings and embodiments, those skilled in the art should understand that the present invention can still be modified or equivalently replaced. In short, all technical solutions and their improvements that do not depart from the spirit and scope of the present invention should be covered by the protection scope of the patent of the present invention.

Claims

1. A container leasing contract management system, characterized in that: It includes a human-computer interaction module, a user rights management module, a contract management module and an approval workflow engine module. The contract management module includes a container rental contract management submodule, a main contract and subcontract management submodule, and a contract information update and renewal submodule. The human-computer interaction module is connected to the user rights management module, and the user rights management module is connected to the contract management module and the approval workflow engine module respectively. The human-computer interaction module has a human-computer interaction interface for users to select, input, query and edit contract information, and a contract approval interface for approval personnel to approve container leasing contracts; The user rights management module sets different roles for all users according to their positions based on the RBAC model, and sets corresponding contract rights for each role, wherein the contract rights include contract management rights and contract approval rights; The container rental contract management submodule, after receiving the selection confirmation instruction of the user to input or edit the contract information in the human-computer interaction interface, verifies the relevant fields and brings out the association, dynamically generates the corresponding contract formulation interface through responsive design and modular layout, and dynamically adjusts the contract form structure according to the type of container rental contract; after receiving the contract information entered by the user with contract management authority in the contract formulation interface, it automatically creates an approval task and tracks the approval status, and then submits it to the contract approval interface of the human-computer interaction module for approval; after receiving the instruction of the approval personnel with contract approval authority in the contract approval interface, it generates the container rental contract; The main contract and sub-contract management sub-module is used for users with contract management authority to create a main contract covering the main terms and conditions of container rental, and to create multiple sub-contracts covering the execution details of the container return terms or supplementary agreements under the main contract, and to establish the association relationship between each sub-contract and the container return terms of the main contract, and to perform synchronous management; The contract information update and renewal submodule is used to update and edit all container rental contracts, and supports changing the effective date of the contract; monitors the effective period of all rental contracts, and then automatically determines whether a certain container rental contract needs to be renewed in a specific time period before its expiration, generates renewal application options for eligible contracts based on business logic, and generates renewal review options after receiving the renewal application approval submitted by the user with contract management authority, and after receiving the instruction approved by the reviewer with contract approval authority, updates the effective date of the rental contract to be renewed and automatically generates a new renewal contract; The approval workflow engine module is used to configure different approval flows for contracts processed by each module. When the contracts of each module are submitted for approval, they are automatically transferred to the approval flows configured for each module, and the contracts are submitted to the corresponding approval personnel with contract approval authority for review through the contract approval interface according to the approval flow transfer rules of the configured different logical branches, so as to complete the management of container leasing contracts.

2. The container leasing contract management system according to claim 1, characterized in that: It also includes a central database, which is connected to the contract management module and the approval workflow engine module respectively, and is used to store the contract information of all modules and master data related to the contract information.

3. The container leasing contract management system according to claim 2, characterized in that: It also includes a data security and backup module, which is interconnected with the central database, adopts multiple backup strategies and access control mechanisms, and combines all data in the central database for encrypted storage and secure API access to ensure the security and reliability of contract data.

4. The container leasing contract management system according to claim 1, characterized in that: The human-computer interaction module also includes a message notification submodule, which is connected to the approval workflow engine module and is used to notify relevant personnel in real time of the feedback information of approval or rejection given by the approver; the notification methods of the message notification submodule include message template customization, instant message sending, scheduled sending, single sending, group sending, resending, reissuing and multi-channel notification of enterprise WeChat and email to ensure that the information is delivered accurately, and is equipped with a message arrival rate statistics mechanism and a failure alarm mechanism to ensure communication quality.

5. The container leasing contract management system according to claim 1, characterized in that: The main contract and sub-contract management submodule also supports users with contract management authority to independently maintain various contract terms in the main contract and sub-contract; the contract terms include basic contract information and contract box type information.

6. The container leasing contract management system according to claim 1, characterized in that: The container rental contract management submodule is also used to maintain key information of all contracts and supports the formulation of multiple contract types; the key information includes equipment information and container return terms; the contract types include long-term lease, flexible lease, financial lease and transportation contract.

7. A container leasing contract management method, characterized in that: The method comprises the following steps: User authority management step: different roles are set for all users according to their positions based on the RBAC model, and corresponding contract authority is set for each role. The contract authority includes contract management authority and contract approval authority; The human-computer interaction step includes setting a human-computer interaction interface for users to select, input, query and edit contract information, and a contract approval interface for approval personnel to approve the container leasing contract; The container rental contract management step is to verify and associate the relevant fields after receiving the user's selection confirmation instruction for inputting or editing contract information in the human-computer interaction interface, dynamically generate the corresponding contract formulation interface through responsive design and modular layout, and dynamically adjust the contract form structure according to the container rental contract type; after receiving the contract information entered by the user with contract management authority in the contract formulation interface, automatically create an approval task and track the approval status, and then submit it to the human-computer interaction contract approval interface for approval, and configure different approval flows for each contract. When each contract is submitted for approval, it will automatically flow to the approval flow configured for each contract, and submit the contract to the corresponding approver with contract approval authority through the contract approval interface for review according to the approval flow flow rules of the configured different logical branches. After receiving the instruction of passing the review, the container rental contract is automatically generated according to the entered contract information; The main contract and sub-contract management step automatically creates a main contract covering the main terms and conditions of the container rental based on all the contract contents of the generated container rental contract for users with contract management authority, and creates multiple sub-contracts covering the implementation details of the container return terms or supplementary agreements under the main contract, and establishes the association relationship between each sub-contract and the container return terms of the main contract, and performs synchronous management; The contract information update and renewal steps monitor the validity period of all lease contracts, automatically determine whether a container lease contract needs to be renewed in a specific time period before its expiration, generate renewal application options for eligible contracts based on business logic, and generate renewal review options after receiving the renewal application approval submitted by a user with contract management authority. After receiving the instruction approved by the approver with contract approval authority, update the effective date of the lease contract that needs to be renewed, and automatically generate a new renewal contract to complete the management of container lease contracts.

8. The container leasing contract management method according to claim 7, characterized in that: In the human-computer interaction step, after the approving personnel have approved the application, the approval or rejection feedback information given by the approving personnel is notified to the relevant personnel in real time.

9. The container leasing contract management method according to claim 8, characterized in that: The notification methods for real-time notification of the review personnel's feedback information include message template customization, instant message sending, scheduled sending, single sending, group sending, resending, reissuing, and multi-channel notifications of corporate WeChat and email, to ensure that the information is delivered accurately. At the same time, it is equipped with a message arrival rate statistics mechanism and a failure alarm mechanism to ensure the quality of communication.

10. The container leasing contract management method according to claim 7, characterized in that: In the main contract and sub-contract management step, after establishing the association relationship between each sub-contract and the container return terms of the main contract, the key information of all contracts is also maintained, and support is provided for the formulation of multiple contract types; the key information includes equipment information and container return terms, and the contract types include long-term lease, flexible lease, financial lease and transportation contract.

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