HF-MES-manual/en/operation/system-operation.md

# 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**