diff --git a/controller/channel.go b/controller/channel.go
index 4c45574f..c2430a04 100644
--- a/controller/channel.go
+++ b/controller/channel.go
@@ -350,6 +350,46 @@ func GetChannel(c *gin.Context) {
 	return
 }
 
+// validateChannel 通用的渠道校验函数
+func validateChannel(channel *model.Channel, isAdd bool) error {
+	// 校验 channel settings
+	if err := channel.ValidateSettings(); err != nil {
+		return fmt.Errorf("渠道额外设置[channel setting] 格式错误：%s", err.Error())
+	}
+
+	// 如果是添加操作，检查 channel 和 key 是否为空
+	if isAdd {
+		if channel == nil || channel.Key == "" {
+			return fmt.Errorf("channel cannot be empty")
+		}
+
+		// 检查模型名称长度是否超过 255
+		for _, m := range channel.GetModels() {
+			if len(m) > 255 {
+				return fmt.Errorf("模型名称过长: %s", m)
+			}
+		}
+	}
+
+	// VertexAI 特殊校验
+	if channel.Type == constant.ChannelTypeVertexAi {
+		if channel.Other == "" {
+			return fmt.Errorf("部署地区不能为空")
+		}
+
+		regionMap, err := common.StrToMap(channel.Other)
+		if err != nil {
+			return fmt.Errorf("部署地区必须是标准的Json格式，例如{\"default\": \"us-central1\", \"region2\": \"us-east1\"}")
+		}
+
+		if regionMap["default"] == nil {
+			return fmt.Errorf("部署地区必须包含default字段")
+		}
+	}
+
+	return nil
+}
+
 type AddChannelRequest struct {
 	Mode         string                `json:"mode"`
 	MultiKeyMode constant.MultiKeyMode `json:"multi_key_mode"`
@@ -396,59 +436,15 @@ func AddChannel(c *gin.Context) {
 		return
 	}
 
-	err = addChannelRequest.Channel.ValidateSettings()
-	if err != nil {
+	// 使用统一的校验函数
+	if err := validateChannel(addChannelRequest.Channel, true); err != nil {
 		c.JSON(http.StatusOK, gin.H{
 			"success": false,
-			"message": "channel setting 格式错误：" + err.Error(),
+			"message": err.Error(),
 		})
 		return
 	}
 
-	if addChannelRequest.Channel == nil || addChannelRequest.Channel.Key == "" {
-		c.JSON(http.StatusOK, gin.H{
-			"success": false,
-			"message": "channel cannot be empty",
-		})
-		return
-	}
-
-	// Validate the length of the model name
-	for _, m := range addChannelRequest.Channel.GetModels() {
-		if len(m) > 255 {
-			c.JSON(http.StatusOK, gin.H{
-				"success": false,
-				"message": fmt.Sprintf("模型名称过长: %s", m),
-			})
-			return
-		}
-	}
-	if addChannelRequest.Channel.Type == constant.ChannelTypeVertexAi {
-		if addChannelRequest.Channel.Other == "" {
-			c.JSON(http.StatusOK, gin.H{
-				"success": false,
-				"message": "部署地区不能为空",
-			})
-			return
-		} else {
-			regionMap, err := common.StrToMap(addChannelRequest.Channel.Other)
-			if err != nil {
-				c.JSON(http.StatusOK, gin.H{
-					"success": false,
-					"message": "部署地区必须是标准的Json格式，例如{\"default\": \"us-central1\", \"region2\": \"us-east1\"}",
-				})
-				return
-			}
-			if regionMap["default"] == nil {
-				c.JSON(http.StatusOK, gin.H{
-					"success": false,
-					"message": "部署地区必须包含default字段",
-				})
-				return
-			}
-		}
-	}
-
 	addChannelRequest.Channel.CreatedTime = common.GetTimestamp()
 	keys := make([]string, 0)
 	switch addChannelRequest.Mode {
@@ -676,39 +672,15 @@ func UpdateChannel(c *gin.Context) {
 		common.ApiError(c, err)
 		return
 	}
-	err = channel.ValidateSettings()
-	if err != nil {
+
+	// 使用统一的校验函数
+	if err := validateChannel(&channel.Channel, false); err != nil {
 		c.JSON(http.StatusOK, gin.H{
 			"success": false,
-			"message": "channel setting 格式错误：" + err.Error(),
+			"message": err.Error(),
 		})
 		return
 	}
-	if channel.Type == constant.ChannelTypeVertexAi {
-		if channel.Other == "" {
-			c.JSON(http.StatusOK, gin.H{
-				"success": false,
-				"message": "部署地区不能为空",
-			})
-			return
-		} else {
-			regionMap, err := common.StrToMap(channel.Other)
-			if err != nil {
-				c.JSON(http.StatusOK, gin.H{
-					"success": false,
-					"message": "部署地区必须是标准的Json格式，例如{\"default\": \"us-central1\", \"region2\": \"us-east1\"}",
-				})
-				return
-			}
-			if regionMap["default"] == nil {
-				c.JSON(http.StatusOK, gin.H{
-					"success": false,
-					"message": "部署地区必须包含default字段",
-				})
-				return
-			}
-		}
-	}
 	// Preserve existing ChannelInfo to ensure multi-key channels keep correct state even if the client does not send ChannelInfo in the request.
 	originChannel, err := model.GetChannelById(channel.Id, false)
 	if err != nil {
@@ -731,6 +703,9 @@ func UpdateChannel(c *gin.Context) {
 		common.ApiError(c, err)
 		return
 	}
+	if common.MemoryCacheEnabled {
+		model.InitChannelCache()
+	}
 	channel.Key = ""
 	c.JSON(http.StatusOK, gin.H{
 		"success": true,
@@ -888,8 +863,9 @@ func GetTagModels(c *gin.Context) {
 // CopyChannel handles cloning an existing channel with its key.
 // POST /api/channel/copy/:id
 // Optional query params:
-//   suffix         - string appended to the original name (default "_复制")
-//   reset_balance  - bool, when true will reset balance & used_quota to 0 (default true)
+//
+//	suffix         - string appended to the original name (default "_复制")
+//	reset_balance  - bool, when true will reset balance & used_quota to 0 (default true)
 func CopyChannel(c *gin.Context) {
 	id, err := strconv.Atoi(c.Param("id"))
 	if err != nil {
@@ -914,7 +890,7 @@ func CopyChannel(c *gin.Context) {
 
 	// clone channel
 	clone := *origin // shallow copy is sufficient as we will overwrite primitives
-	clone.Id = 0      // let DB auto-generate
+	clone.Id = 0     // let DB auto-generate
 	clone.CreatedTime = common.GetTimestamp()
 	clone.Name = origin.Name + suffix
 	clone.TestTime = 0