diff --git a/registry/mcp_model.go b/registry/mcp_model.go
index 43bc8b5e1..3afdfa6c9 100644
--- a/registry/mcp_model.go
+++ b/registry/mcp_model.go
@@ -52,11 +52,12 @@ type ServerConfig struct {
 }
 
 type McpTool struct {
-	Name             string            `json:"name,omitempty"`
-	Description      string            `json:"description,omitempty"`
-	Args             []*ToolArgs       `json:"args,omitempty"`
-	RequestTemplate  *RequestTemplate  `json:"requestTemplate"`
-	ResponseTemplate *ResponseTemplate `json:"responseTemplate"`
+	Name             		string            `json:"name,omitempty"`
+	Description      		string            `json:"description,omitempty"`
+	Args             		[]*ToolArgs       `json:"args,omitempty"`
+	RequestTemplate  		*RequestTemplate  `json:"requestTemplate"`
+	ResponseTemplate 		*ResponseTemplate `json:"responseTemplate"`
+	ErrorResponseTemplate 	string			  `json:"errorResponseTemplate,omitempty"`
 }
 
 type ToolArgs struct {
@@ -147,7 +148,8 @@ type ToolsMeta struct {
 }
 
 type JsonGoTemplate struct {
-	RequestTemplate  RequestTemplate   `json:"requestTemplate,omitempty"`
-	ResponseTemplate ResponseTemplate  `json:"responseTemplate,omitempty"`
-	ArgsPosition     map[string]string `json:"argsPosition,omitempty"`
+	RequestTemplate  		RequestTemplate   `json:"requestTemplate,omitempty"`
+	ResponseTemplate 		ResponseTemplate  `json:"responseTemplate,omitempty"`
+	ArgsPosition     		map[string]string `json:"argsPosition,omitempty"`
+	ErrorResponseTemplate 	string 			  `json:"errorResponseTemplate,omitempty"`
 }
diff --git a/registry/nacos/mcpserver/watcher.go b/registry/nacos/mcpserver/watcher.go
index 66d38350c..a49894e51 100644
--- a/registry/nacos/mcpserver/watcher.go
+++ b/registry/nacos/mcpserver/watcher.go
@@ -471,12 +471,13 @@ func (w *watcher) processToolConfig(dataId, data string, credentials map[string]
 			convertTool.RequestTemplate = requestTemplate
 		}
 
-		responseTemplate, err := getResponseTemplateFromToolMeta(toolMeta)
+		responseTemplate, errorResponseTemplate, err := getResponseTemplateFromToolMeta(toolMeta)
 		if err != nil {
 			mcpServerLog.Errorf("get response template from tool meta error:%v, tool name %v", err, t.Name)
 			continue
 		} else {
 			convertTool.ResponseTemplate = responseTemplate
+			convertTool.ErrorResponseTemplate = errorResponseTemplate
 		}
 		rule.Tools = append(rule.Tools, convertTool)
 	}
@@ -715,9 +716,9 @@ func getRequestTemplateFromToolMeta(toolMeta *provider.ToolsMeta) (*provider.Req
 	return nil, nil
 }
 
-func getResponseTemplateFromToolMeta(toolMeta *provider.ToolsMeta) (*provider.ResponseTemplate, error) {
+func getResponseTemplateFromToolMeta(toolMeta *provider.ToolsMeta) (*provider.ResponseTemplate, string, error) {
 	if toolMeta == nil {
-		return nil, nil
+		return nil, "", nil
 	}
 	toolTemplate := toolMeta.Templates
 	for kind, meta := range toolTemplate {
@@ -725,18 +726,18 @@ func getResponseTemplateFromToolMeta(toolMeta *provider.ToolsMeta) (*provider.Re
 		case provider.JsonGoTemplateType:
 			templateData, err := json.Marshal(meta)
 			if err != nil {
-				return nil, err
+				return nil, "", err
 			}
 			template := &provider.JsonGoTemplate{}
 			if err = json.Unmarshal(templateData, template); err != nil {
-				return nil, err
+				return nil, "", err
 			}
-			return &template.ResponseTemplate, nil
+			return &template.ResponseTemplate, template.ErrorResponseTemplate, nil
 		default:
-			return nil, fmt.Errorf("unsupport tool meta type")
+			return nil, "", fmt.Errorf("unsupported tool meta type: %s", kind)
 		}
 	}
-	return nil, nil
+	return nil, "", nil
 }
 
 func mergeMaps(maps ...map[string]string) map[string]string {