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+# System Operations
+
+## 1. Function Overview
+
+The System Management and Operations module provides system configuration, management, and operations functions for system administrators to ensure stable system operation.
+
+**Core Functions:**
+
+| Function | Description |
+|----------|-------------|
+| System Parameter Configuration | General parameters, business parameters |
+| Approval Process Configuration | Approval process definition |
+| Message Notification Configuration | Notification channels, templates |
+| Log Management and Audit | Operation logs, security logs |
+| Data Backup and Recovery | Backup strategy, data recovery |
+| Permission Security Policy | Password policy, login security |
+
+## 2. System Parameter Configuration
+
+### 2.1 General Parameters
+
+**System Information Configuration:**
+
+| Parameter Item | Description | Default Value |
+|----------------|-------------|---------------|
+| System Name | Displayed in system title | HF-MES |
+| System Logo | Login page logo | - |
+| Company Name | System owner company | - |
+| Work Start Time | Default work start time | 08:00 |
+| Work End Time | Default work end time | 18:00 |
+| Date Format | Date display format | YYYY-MM-DD |
+| Time Format | Time display format | HH:mm:ss |
+
+### 2.2 Business Parameters
+
+**Production Parameter Configuration:**
+
+| Parameter Item | Description | Default Value |
+|----------------|-------------|---------------|
+| Process Flow Rule | Sequential/Parallel | Sequential |
+| Reporting Advance Time | Advance minutes allowed for reporting | 10 minutes |
+| Work Order Overdue Warning | Days in advance for warning | 3 days |
+| Reporting Delay Time | Delay minutes allowed for reporting | 30 minutes |
+
+**Quality Parameter Configuration:**
+
+| Parameter Item | Description | Default Value |
+|----------------|-------------|---------------|
+| Default Inspection Standard | Default inspection standard | - |
+| Batch Number Code Rule | Batch number format | LOT-YYYYMMDD-XXX |
+| Acceptable Quality Level (AQL) | Default AQL value | 1.0 |
+
+**Equipment Parameter Configuration:**
+
+| Parameter Item | Description | Default Value |
+|----------------|-------------|---------------|
+| Inspection Reminder Time | Advance minutes for reminder | 30 minutes |
+| Maintenance Reminder Time | Advance days for reminder | 7 days |
+| Equipment OEE Calculation Cycle | OEE statistics cycle | Daily/Monthly |
+
+**[Caution]** Modifying system parameters may affect business operations. Please proceed with caution.
+
+## 3. Approval Process Configuration
+
+### 3.1 Approval Process Definition
+
+**Process Elements:**
+
+| Element | Description |
+|---------|-------------|
+| Process Code | Unique process identifier |
+| Process Name | Display name of process |
+| Process Type | Business type for approval |
+| Process Nodes | Approval stages |
+| Approvers | Approvers for each stage |
+| Flow Rules | Condition judgments |
+
+### 3.2 Process Types
+
+| Process Type | Description | Example |
+|--------------|-------------|---------|
+| Work Order Change | Approval for work order information changes | Quantity adjustment, extension |
+| Material Release | Approval for special material release | Concession acceptance |
+| Equipment Scrap | Approval for equipment scrapping | Equipment scrapping |
+| Defective Handling | Approval for defective product disposal | MRB processing |
+| Material Replenishment | Approval for production material replenishment | Material addition |
+
+### 3.3 Approval Node Configuration
+
+**Node Configuration Items:**
+
+| Configuration Item | Description |
+|-------------------|-------------|
+| Node Name | Approval stage name |
+| Approval Role | Approver role |
+| Approver | Specific approver |
+| Approval Method | Joint/Single approval |
+| Time Limit | Approval time limit |
+| Timeout Handling | Handling method after timeout |
+
+**Approval Methods:**
+
+| Method | Description |
+|--------|-------------|
+| Joint Approval | All approvers must approve |
+| Single Approval | Any single approver can approve |
+
+## 4. Message Notification Configuration
+
+### 4.1 Notification Channels
+
+| Channel Type | Description | Configuration Requirements |
+|--------------|-------------|----------------------------|
+| System Message | In-system message notification | Built-in |
+| Email Notification | Send to email | SMTP configuration |
+| SMS Notification | Send to mobile phone | SMS gateway configuration |
+| DingTalk Notification | DingTalk enterprise message | DingTalk app configuration |
+| WeChat Work | WeChat Work message | WeChat Work configuration |
+
+### 4.2 Notification Type Configuration
+
+| Business Event | Notification Type | Recipient |
+|---------------|-------------------|-----------|
+| Work Order Release | System Message/Email | Workshop Supervisor |
+| Work Order Completion | System Message | Planner |
+| Quality Abnormality | System Message/SMS | Quality Engineer |
+| Equipment Failure | System Message/SMS | Equipment Engineer |
+| Low Inventory | System Message/Email | Warehouse Clerk |
+| Pending Approval | System Message/Email | Approver |
+
+### 4.3 Notification Templates
+
+**Template Configuration Items:**
+
+| Configuration Item | Description |
+|-------------------|-------------|
+| Template Code | Unique template identifier |
+| Template Name | Template name |
+| Notification Channel | Delivery channel |
+| Title Template | Message title |
+| Content Template | Message content |
+
+**Template Variables:**
+
+| Variable | Description |
+|----------|-------------|
+| ${WorkOrderNo} | Work order number |
+| ${ProductName} | Product name |
+| ${Quantity} | Quantity |
+| ${Time} | Time |
+| ${Approver} | Approver name |
+
+## 5. Log Management and Audit
+
+### 5.1 Log Types
+
+| Log Type | Description | Retention Period |
+|----------|-------------|------------------|
+| Operation Log | User operation records | 6 months |
+| System Log | System running logs | 3 months |
+| Interface Log | Interface call logs | 6 months |
+| Exception Log | Exception error logs | 12 months |
+| Security Log | Login security logs | 12 months |
+
+### 5.2 Operation Log Content
+
+| Record Item | Description |
+|-------------|-------------|
+| Operation Time | Time when operation occurred |
+| User Account | User performing the operation |
+| User Name | User's display name |
+| Operation Type | Operation category |
+| Operation Content | Specific operation description |
+| Operation Object | Data object being operated |
+| IP Address | Operator's IP address |
+| Result | Success/Failure |
+
+### 5.3 Log Query
+
+**Query Conditions:**
+
+| Query Dimension | Optional Conditions |
+|-----------------|---------------------|
+| Time Range | Start time - End time |
+| User | Operator |
+| Operation Type | Add/Modify/Delete, etc. |
+| Operation Module | Functional module |
+| Operation Result | Success/Failure |
+
+### 5.4 Audit Reports
+
+| Report Type | Description |
+|-------------|-------------|
+| User Operation Statistics | Operation frequency per user |
+| Module Operation Statistics | Operation statistics per module |
+| Exception Operation Statistics | Failed operation statistics |
+| Login Audit | Login situation audit |
+
+## 6. Data Backup and Recovery
+
+### 6.1 Backup Strategy
+
+| Backup Type | Execution Frequency | Retention Count | Description |
+|-------------|---------------------|-----------------|-------------|
+| Full Backup | Weekly | 4 copies | Complete backup once a week |
+| Incremental Backup | Daily | 7 copies | Backup incremental data daily |
+| Real-time Backup | Real-time | - | Database log backup |
+
+### 6.2 Backup Configuration
+
+**Backup Task Configuration:**
+
+| Configuration Item | Description |
+|-------------------|-------------|
+| Task Name | Backup task name |
+| Backup Type | Full/Incremental |
+| Execution Time | Backup execution time |
+| Storage Location | Backup file storage location |
+| Retention Policy | Number of backups to retain |
+| Compression Method | Whether to compress |
+
+### 6.3 Manual Backup
+
+**Operation Steps:**
+
+1. Go to [System Management] → [Data Backup]
+2. Click [Manual Backup]
+3. Select backup type
+4. Click [Start Backup]
+5. System executes backup
+6. Backup file displayed upon completion
+
+### 6.4 Data Recovery
+
+**Recovery Operation Steps:**
+
+1. Go to [System Management] → [Data Recovery]
+2. Select recovery time point
+3. Select backup file
+4. Confirm recovery information
+5. Confirm recovery (requires confirmation code)
+6. System executes recovery
+7. Restart service after recovery completes
+
+**[Important]** Data recovery will overwrite current data. Please ensure current data has been backed up!
+
+## 7. Permission Security Policy
+
+### 7.1 Password Policy
+
+| Policy Item | Configuration Value | Description |
+|-------------|---------------------|-------------|
+| Minimum Length | 8 characters | Minimum password length |
+| Complexity Requirement | Must contain letters and numbers | Complexity rule |
+| Validity Period | 90 days | Password valid days |
+| Expiration Warning | 7 days | Warning before expiration |
+| History Password | 5 | Cannot reuse previous passwords |
+| Attempt Limit | 5 times | Failed attempt limit |
+| Lockout Duration | 30 minutes | Account lockout duration |
+
+### 7.2 Login Security
+
+| Configuration Item | Description |
+|-------------------|-------------|
+| Allow Concurrent Login | Yes/No |
+| Session Timeout | 30 minutes |
+| IP Whitelist | Allowed login IPs |
+| IP Blacklist | Blocked login IPs |
+| Remote Login Alert | Yes/No |
+
+### 7.3 Data Permission
+
+**Data Permission Levels:**
+
+| Permission Level | Description |
+|------------------|-------------|
+| All Data | Can view all data |
+| Factory Level | Can only view factory data |
+| Workshop Level | Can only view workshop data |
+| Production Line Level | Can only view production line data |
+| Personal Data | Can only view own data |
+
+## 8. System Performance Monitoring
+
+### 8.1 Monitoring Metrics
+
+| Metric Category | Specific Metric | Normal Range |
+|-----------------|-----------------|--------------|
+| Server Performance | CPU Usage | < 80% |
+| Server Performance | Memory Usage | < 85% |
+| Server Performance | Disk Usage | < 90% |
+| Database Performance | Connection Count | < Connection Pool Limit |
+| Database Performance | Query Response Time | < 1 second |
+| Application Performance | API Response Time | < 3 seconds |
+| Application Performance | Concurrent Users | < Licensed Quantity |
+
+### 8.2 Monitoring Dashboard
+
+**Monitoring Dashboard Display:**
+
+```
+┌─────────────────────────────────────────────────────────────┐
+│                        System Monitoring Dashboard         │
+├─────────────────────────────────────────────────────────────┤
+│                                                             │
+│  Server Status                                              │
+│  ┌───────────────┐ ┌───────────────┐ ┌───────────────┐       │
+│  │     CPU      │ │     Memory    │ │     Disk     │       │
+│  │    45.2%    │ │    68.5%    │ │    52.3%    │       │
+│  └───────────────┘ └───────────────┘ └───────────────┘       │
+│                                                             │
+│  Application Service Status                                 │
+│  ┌───────────────┐ ┌───────────────┐ ┌───────────────┐       │
+│  │  Web Service │ │  API Service │ │  Scheduler  │       │
+│  │    Normal     │ │    Normal     │ │    Normal     │       │
+│  └───────────────┘ └───────────────┘ └───────────────┘       │
+│                                                             │
+│  Database Status                                            │
+│  ┌───────────────┐ ┌───────────────┐ ┌───────────────┐       │
+│  │   Connections │ │   Active Sessions│ │   Query Response│   │
+│  │   45/200     │ │     12       │ │    0.5秒     │       │
+│  └───────────────┘ └───────────────┘ └───────────────┘       │
+│                                                             │
+└─────────────────────────────────────────────────────────────┘
+```
+
+### 8.3 Alert Configuration
+
+| Alert Item | Alert Condition | Alert Method |
+|------------|-----------------|--------------|
+| High CPU | > 90% | SMS/Email |
+| High Memory | > 95% | SMS/Email |
+| Low Disk Space | < 10% | SMS/Email |
+| Service Down | Service stopped | SMS/Phone |
+| Database Connection Full | 100% | SMS/Phone |
+
+## 9. Version Upgrade
+
+### 9.1 Upgrade Process
+
+```
+Backup Data → Download Upgrade → Execute Upgrade → Verify Functions → Release
+```
+
+### 9.2 Pre-Upgrade Checklist
+
+| Check Item | Description |
+|------------|-------------|
+| Data Backup | Confirm data has been backed up |
+| Environment Check | Server environment meets requirements |
+| Compatibility Check | Confirm upgrade package compatibility |
+| Downtime Notification | Notify relevant personnel |
+| Rollback Plan | Prepare rollback plan |
+
+### 9.3 Post-Upgrade Verification
+
+| Verification Item | Description |
+|-------------------|-------------|
+| Service Startup | Confirm services running normally |
+| Function Verification | Verify core functions |
+| Data Verification | Confirm data integrity |
+| Performance Verification | Confirm system performance normal |
+
+---
+
+**End of System Operations**
--- a/en/operation/technical-support.md
+++ b/en/operation/technical-support.md
@@ -0,0 +1,459 @@
+# Exception Handling and Technical Support
+
+## 1. Function Overview
+
+This chapter provides solutions for common issues and channels for obtaining technical support to help users quickly resolve problems encountered during usage.
+
+**Main Content:**
+
+| Content | Description |
+|---------|-------------|
+| Common Issues FAQ | Answers to various common questions |
+| System Error Code Explanation | Error codes and solutions |
+| Troubleshooting Guide | Problem troubleshooting methods |
+| Technical Support Contact Information | Channels for obtaining support |
+
+## 2. Common Issues FAQ
+
+### 2.1 Login Related Issues
+
+**Q1: "Username or password incorrect"**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| Input error | Check if username and password are correct |
+| Case sensitivity | Check if case sensitivity is enabled |
+| Keyboard issue | Ensure Caps Lock is not enabled |
+
+**Q2: "Account locked"**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| Multiple failed login attempts | Wait 30 minutes for automatic unlock or contact administrator |
+| Account disabled | Contact system administrator to enable account |
+
+**Q3: "No access permission"**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| Role not assigned | Contact administrator to assign permissions |
+| Insufficient role permissions | Apply for higher permissions |
+| IP restriction | Check if within allowed IP range |
+
+**Q4: Forgot password?**
+
+| Solution | Operation |
+|----------|-----------|
+| Self-service recovery | Click "Forgot Password" on login page, reset via email/mobile |
+| Administrator reset | Contact system administrator to reset password |
+
+### 2.2 Production Management Related Issues
+
+**Q5: Cannot create work order?**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| Missing product BOM | First maintain product BOM |
+| Missing process route | First maintain process route |
+| Materials not available | Confirm sufficient material inventory |
+| Insufficient permissions | Contact administrator to grant permissions |
+
+**Q6: Work order cannot be released?**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| Materials not available | Check material inventory |
+| Production line unavailable | Check production line status |
+| Process route not maintained | Maintain process route |
+| Planned date conflict | Adjust planned date |
+
+**Q7: Reporting data cannot be saved?**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| Process not started | First execute start reporting |
+| Data format error | Check input data format |
+| Quantity out of range | Confirm quantity within allowed range |
+| Session expired | Re-login |
+
+### 2.3 Quality Management Related Issues
+
+**Q8: Cannot add inspection items?**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| Inspection standard not maintained | First create inspection standard |
+| Insufficient permissions | Contact administrator for authorization |
+| Data format error | Check input format |
+
+**Q9: How to handle defective products?**
+
+| Handling Method | Description |
+|-----------------|-------------|
+| Rework | Return defective product to process for rework |
+| Downgrade | Use at lower grade |
+| Concession | Special release after approval |
+| Scrap | Process scrap procedures |
+
+**Q10: Batch traceability query returns no results?**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| Batch number input error | Verify batch number |
+| Batch not included in traceability | Confirm if material is batch managed |
+| Data not synchronized | Contact administrator to check data |
+
+### 2.4 Equipment Management Related Issues
+
+**Q11: Inspection task not generated?**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| Inspection standard not configured for equipment | Configure inspection standard for equipment |
+| Date not in inspection cycle | Confirm inspection cycle configuration |
+| Inspection standard not enabled | Enable inspection standard |
+
+**Q12: How to report equipment failure?**
+
+| Operation Step | Description |
+|----------------|-------------|
+| 1. Discover failure | Discover equipment abnormality |
+| 2. Emergency assessment | Assess if emergency shutdown needed |
+| 3. Submit repair request | Submit repair order in equipment management |
+| 4. Repair processing | Wait for maintenance personnel |
+| 5. Acceptance confirmation | Confirm after repair completion |
+
+### 2.5 Warehouse Logistics Related Issues
+
+**Q13: Cannot confirm receiving order?**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| IQC not completed | Complete incoming inspection |
+| Batch number duplicate | Modify batch number |
+| Location unavailable | Select other location |
+
+**Q14: Inventory data inaccurate?**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| Documents not reviewed | Review related documents |
+| Inventory differences | Perform inventory count |
+| Data synchronization issue | Contact administrator to check |
+
+**Q15: How to perform inventory count?**
+
+| Operation Step | Description |
+|----------------|-------------|
+| 1. Create count sheet | Select warehouse and materials |
+| 2. Execute count | On-site quantity verification |
+| 3. Enter actual count | Input actual quantity |
+| 4. Review differences | Review count differences |
+| 5. Adjust accounts | Adjust inventory accounts |
+
+### 2.6 System Operation Related Issues
+
+**Q16: Page display incomplete?**
+
+| Solution | Operation |
+|----------|-----------|
+| Clear cache | Clear browser cache |
+| Change browser | Use recommended browser |
+| Adjust zoom | Adjust browser zoom level |
+| Check resolution | Ensure screen resolution meets requirements |
+
+**Q17: Data export failed?**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| Data volume too large | Export in batches |
+| Network issue | Check network connection |
+| Insufficient permissions | Contact administrator for authorization |
+| Format not supported | Change export format |
+
+**Q18: Approval process cannot flow?**
+
+| Possible Cause | Solution |
+|---------------|----------|
+| Approver not configured | Configure approver |
+| Conditions not met | Check flow conditions |
+| Approver not online | Remind approver |
+
+## 3. System Error Code Explanation
+
+### 3.1 Error Code Classification
+
+| Error Code Range | Error Type | Description |
+|------------------|------------|-------------|
+| 1000-1999 | Basic Error | System basic errors |
+| 2000-2999 | Permission Error | Permission-related errors |
+| 3000-3999 | Business Error | Business logic errors |
+| 4000-4999 | Data Error | Data validation errors |
+| 5000-5999 | Interface Error | External interface errors |
+| 9000-9999 | System Error | System internal errors |
+
+### 3.2 Permission Errors
+
+| Error Code | Error Message | Solution |
+|------------|--------------|----------|
+| 2001 | No access permission | Contact administrator to grant permissions |
+| 2002 | Insufficient permissions | Apply for higher permissions |
+| 2003 | Role not assigned | Contact administrator to assign role |
+| 2004 | Session expired | Re-login to system |
+| 2005 | IP restricted | Access within allowed IP range |
+
+### 3.3 Business Errors
+
+| Error Code | Error Message | Solution |
+|------------|--------------|----------|
+| 3001 | Data already exists | Check for duplicate creation |
+| 3002 | Data does not exist | Check if data is correct |
+| 3003 | Status does not allow operation | Confirm current status allows operation |
+| 3004 | Quantity out of range | Adjust quantity within allowed range |
+| 3005 | Business rule validation failed | Check compliance with business rules |
+| 3006 | Related data does not exist | Check if related data is complete |
+| 3007 | Data referenced | Remove data reference before operation |
+
+### 3.4 Data Errors
+
+| Error Code | Error Message | Solution |
+|------------|--------------|----------|
+| 4001 | Required field empty | Fill in required fields |
+| 4002 | Data format error | Check data format |
+| 4003 | Field length exceeded | Shorten input content |
+| 4004 | Data type mismatch | Input correct data type |
+| 4005 | Date format error | Use correct date format |
+| 4006 | Code duplicate | Use unique code |
+
+### 3.5 Interface Errors
+
+| Error Code | Error Message | Solution |
+|------------|--------------|----------|
+| 5001 | Interface connection timeout | Check network connection |
+| 5002 | Interface service unavailable | Contact interface service provider |
+| 5003 | Interface authentication failed | Check interface authentication information |
+| 5004 | Interface returned error | Check interface return information |
+| 5005 | Data synchronization failed | Check data synchronization configuration |
+
+### 3.6 System Errors
+
+| Error Code | Error Message | Solution |
+|------------|--------------|----------|
+| 9001 | System busy | Retry later |
+| 9002 | Operation failed | Retry or contact administrator |
+| 9003 | Server error | Contact technical support |
+| 9004 | Database error | Contact technical support |
+| 9005 | Insufficient memory | Restart service or expand capacity |
+
+## 4. Troubleshooting Guide
+
+### 4.1 Login Failure Troubleshooting
+
+**Troubleshooting Flow:**
+
+```
+Start
+  │
+  ▼
+Login Failed?
+  │
+  ├─── Yes ───→ Check error message
+  │                │
+  │                ▼
+  │          ┌─────────┐
+  │          │ Error Code? │
+  │          └────┬────┘
+  │               │
+  │    ┌─────────┼─────────┐
+  │    │         │         │
+  │    ▼         ▼         ▼
+  │  Permission Business  System
+  │  Errors     Errors     Errors
+  │    │         │         │
+  │    │         │         ▼
+  │    │         │      Retry/Contact technical support
+  │    │
+  │Check user status/permissions
+  │
+  └─── No ───→ Troubleshooting complete
+```
+
+### 4.2 Performance Issues Troubleshooting
+
+**Troubleshooting Items:**
+
+| Check Item | Check Method | Normal Range |
+|------------|--------------|--------------|
+| CPU Usage | Task Manager | < 80% |
+| Memory Usage | Task Manager | < 85% |
+| Disk IO | Performance Monitor | < 70% |
+| Network Latency | ping command | < 100ms |
+| Database Connections | Check connection pool | < Maximum |
+| Slow Queries | Check query logs | < 1 second |
+
+**Common Performance Issues:**
+
+| Issue | Possible Cause | Solution |
+|-------|---------------|----------|
+| Slow page loading | Network issue/High server load | Check network/Scale up |
+| Slow operation response | Slow database query | Optimize indexes/Add resources |
+| Slow report generation | Large data volume | Batch query/Optimize SQL |
+| Slow batch operations | Processed one by one | Change to batch processing |
+
+### 4.3 Data Issues Troubleshooting
+
+**Data Consistency Check:**
+
+| Check Item | Check Method | Handling |
+|------------|--------------|----------|
+| Inventory discrepancy | Count verification | Adjust after difference review |
+| Batch traceability broken | Query traceability chain | Check data entry |
+| Work order status abnormal | View work order logs | Correct status |
+| Missing inspection data | View inspection records | Supplement data |
+
+### 4.4 Interface Issues Troubleshooting
+
+**Troubleshooting Steps:**
+
+1. Check interface configuration
+2. Verify authentication information
+3. Test network connectivity
+4. Check interface logs
+5. Verify data format
+6. Contact interface provider
+
+## 5. Log Extraction Guide
+
+### 5.1 Log Types
+
+| Log Type | Storage Location | Usage |
+|----------|-----------------|-------|
+| Operation Log | /logs/operation/ | Track user operations |
+| Error Log | /logs/error/ | Troubleshoot system errors |
+| Interface Log | /logs/interface/ | Troubleshoot interface issues |
+| Database Log | /logs/database/ | Troubleshoot data issues |
+| Application Log | /logs/application/ | Troubleshoot application issues |
+
+### 5.2 Log Extraction Methods
+
+**Method 1: Export via System**
+
+1. Go to [System Management] → [Log Management]
+2. Select log type
+3. Set query conditions
+4. Click [Export]
+5. Download log file
+
+**Method 2: Access via Server**
+
+```bash
+# Access log directory
+cd /opt/mes/logs
+
+# View recent error logs
+tail -n 100 error.log
+
+# Search for specific keyword
+grep "error" error.log
+
+# Export logs for specific time period
+grep "2026-04-10" error.log > error_20260410.log
+```
+
+### 5.3 Log Extraction Notes
+
+- [Note] Log extraction may contain sensitive information, please keep confidential
+- [Tip] When providing logs, please indicate the time range of the issue
+- [Important] Extract logs during issue reproduction
+
+## 6. Issue Reporting Guide
+
+### 6.1 Issue Classification
+
+| Issue Level | Definition | Response Time | Resolution Time |
+|-------------|------------|---------------|-----------------|
+| Urgent | System unavailable, business interrupted | 1 hour | 4 hours |
+| High | Core function abnormal | 4 hours | 24 hours |
+| Medium | General function abnormal | 8 hours | 72 hours |
+| Low | Interface/experience issue | 24 hours | 1 week |
+
+### 6.2 Issue Description Template
+
+Please describe the issue using the following template:
+
+```
+[Issue Description]
+1. Issue: Describe the problem encountered
+2. Expected Behavior: Expected correct behavior
+3. Actual Behavior: Actual error that occurred
+
+[Environment]
+- Module: xxx
+- Page: xxx
+- Browser: xxx
+- OS: xxx
+
+[Reproduction Steps]
+1. 
+2. 
+3. 
+
+[Error Information]
+(Screenshot or text of error message)
+
+[Attachments]
+- Screenshots
+- Logs
+- Related data
+```
+
+## 7. Technical Support Contact Information
+
+### 7.1 Regular Support
+
+| Contact Method | Information |
+|----------------|-------------|
+| Service Hotline | 400-XXX-XXXX |
+| Service Email | support@hfmes.com |
+| Service Hours | Monday to Friday 9:00-18:00 |
+| Emergency Phone | 138-XXXX-XXXX |
+
+### 7.2 Online Support
+
+| Channel | Description |
+|---------|-------------|
+| WeChat Work Group | Dedicated service group |
+| Online Ticket | Submit technical support ticket |
+| Remote Assistance | TeamViewer remote support |
+
+### 7.3 Service Commitment
+
+| Service Type | Commitment |
+|--------------|------------|
+| Response Time | 1 hour response for urgent issues |
+| Issue Resolution | Provide solution within committed time |
+| Service Attitude | Professional, patient, responsible |
+| Information Security | Strictly protect customer data |
+
+## 8. Version and Updates
+
+### 8.1 Version Information
+
+| Version | Release Date | Update Content |
+|---------|--------------|----------------|
+| v5.0 | 2026-04-10 | Initial release |
+| - | - | - |
+
+### 8.2 Update Subscription
+
+**Subscription Methods:**
+
+| Subscription Channel | Description |
+|---------------------|-------------|
+| System Message | View update announcements in system |
+| Email Subscription | Subscribe to version update emails |
+| WeChat Work | Join service group for notifications |
+
+---
+
+**End of Exception Handling and Technical Support**