feat: 优化代码，去除多余注释和修改

model/option.go

@@ -94,11 +94,12 @@ func InitOptionMap() {
 	common.OptionMap["ModelRequestRateLimitCount"] = strconv.Itoa(setting.ModelRequestRateLimitCount)
 	common.OptionMap["ModelRequestRateLimitDurationMinutes"] = strconv.Itoa(setting.ModelRequestRateLimitDurationMinutes)
 	common.OptionMap["ModelRequestRateLimitSuccessCount"] = strconv.Itoa(setting.ModelRequestRateLimitSuccessCount)
+	jsonBytes, _ := json.Marshal(map[string][2]int{})
+	common.OptionMap["ModelRequestRateLimitGroup"] = string(jsonBytes)
 	common.OptionMap["ModelRatio"] = operation_setting.ModelRatio2JSONString()
 	common.OptionMap["ModelPrice"] = operation_setting.ModelPrice2JSONString()
 	common.OptionMap["CacheRatio"] = operation_setting.CacheRatio2JSONString()
 	common.OptionMap["GroupRatio"] = setting.GroupRatio2JSONString()
-	common.OptionMap[setting.ModelRequestRateLimitGroupKey] = "{}" // 添加用户组速率限制默认值
 	common.OptionMap["UserUsableGroups"] = setting.UserUsableGroups2JSONString()
 	common.OptionMap["CompletionRatio"] = operation_setting.CompletionRatio2JSONString()
 	common.OptionMap["TopUpLink"] = common.TopUpLink
@@ -153,47 +154,31 @@ func SyncOptions(frequency int) {
 }
 
 func UpdateOption(key string, value string) error {
-	originalValue := value // 保存原始值以备后用
+	originalValue := value
 
-	// Validate and format specific keys before saving
-	if key == setting.ModelRequestRateLimitGroupKey {
+	if key == "ModelRequestRateLimitGroup" {
 		var cfg map[string][2]int
-		// Validate the JSON structure first using the original value
 		err := json.Unmarshal([]byte(originalValue), &cfg)
 		if err != nil {
-			// 提供更具体的错误信息
 			return fmt.Errorf("无效的 JSON 格式 for %s: %w", key, err)
 		}
-		// TODO: 可以添加更细致的结构验证，例如检查数组长度是否为2，值是否为非负数等。
-		// if !isValidModelRequestRateLimitGroupConfig(cfg) {
-		//     return fmt.Errorf("无效的配置值 for %s", key)
-		// }
 
-		// If valid, format the JSON before saving
 		formattedValueBytes, marshalErr := json.MarshalIndent(cfg, "", "  ")
 		if marshalErr != nil {
-			// This should ideally not happen if validation passed, but handle defensively
 			return fmt.Errorf("failed to marshal validated %s config: %w", key, marshalErr)
 		}
-		value = string(formattedValueBytes) // Use formatted JSON for saving and memory update
+		value = string(formattedValueBytes)
 	}
 
-	// Save to database
 	option := Option{
 		Key: key,
 	}
-	// https://gorm.io/docs/update.html#Save-All-Fields
 	DB.FirstOrCreate(&option, Option{Key: key})
 	option.Value = value
-	// Save is a combination function.
-	// If save value does not contain primary key, it will execute Create,
-	// otherwise it will execute Update (with all fields).
 	if err := DB.Save(&option).Error; err != nil {
-		return fmt.Errorf("保存选项 %s 到数据库失败: %w", key, err) // 添加错误上下文
+		return fmt.Errorf("保存选项 %s 到数据库失败: %w", key, err)
 	}
 
-	// Update OptionMap in memory using the potentially formatted value
-	// updateOptionMap 会处理内存中 setting.ModelRequestRateLimitGroupConfig 的更新
 	return updateOptionMap(key, value)
 }
 
@@ -370,6 +355,8 @@ func updateOptionMap(key string, value string) (err error) {
 		setting.ModelRequestRateLimitDurationMinutes, _ = strconv.Atoi(value)
 	case "ModelRequestRateLimitSuccessCount":
 		setting.ModelRequestRateLimitSuccessCount, _ = strconv.Atoi(value)
+	case "ModelRequestRateLimitGroup":
+		err = setting.UpdateModelRequestRateLimitGroup(value)
 	case "RetryTimes":
 		common.RetryTimes, _ = strconv.Atoi(value)
 	case "DataExportInterval":
@@ -404,15 +391,6 @@ func updateOptionMap(key string, value string) (err error) {
 		operation_setting.AutomaticDisableKeywordsFromString(value)
 	case "StreamCacheQueueLength":
 		setting.StreamCacheQueueLength, _ = strconv.Atoi(value)
-	case setting.ModelRequestRateLimitGroupKey:
-		// Use the (potentially formatted) value passed from UpdateOption
-		// to update the actual configuration in memory.
-		// This is the single point where the memory state for this specific setting is updated.
-		err = setting.UpdateModelRequestRateLimitGroupConfig(value)
-		if err != nil {
-			// 添加错误上下文
-			err = fmt.Errorf("更新内存中的 %s 配置失败: %w", key, err)
-		}
 	}
 	return err
 }
@@ -440,4 +418,4 @@ func handleConfigUpdate(key, value string) bool {
 	config.UpdateConfigFromMap(cfg, configMap)
 
 	return true // 已处理
-}
+}