diff --git a/registry/mcp_model.go b/registry/mcp_model.go
index 69621343e..43bc8b5e1 100644
--- a/registry/mcp_model.go
+++ b/registry/mcp_model.go
@@ -24,12 +24,12 @@ const (
 	IstioMcpAutoGeneratedHttpRouteName = IstioMcpAutoGeneratedPrefix + "-httproute"
 	IstioMcpAutoGeneratedMcpServerName = IstioMcpAutoGeneratedPrefix + "-mcpserver"
 
-	StdioProtocol        = "stdio"
-	HttpProtocol         = "http"
-	HttpsProtocol        = "https"
-	DubboProtocol        = "dubbo"
-	McpSSEProtocol       = "mcp-sse"
-	McpStreambleProtocol = "mcp-streamable"
+	StdioProtocol         = "stdio"
+	HttpProtocol          = "http"
+	HttpsProtocol         = "https"
+	DubboProtocol         = "dubbo"
+	McpSSEProtocol        = "mcp-sse"
+	McpStreamableProtocol = "mcp-streamable"
 )
 
 type McpToolArgsType string
diff --git a/registry/nacos/mcpserver/watcher.go b/registry/nacos/mcpserver/watcher.go
index 1ae6761c9..13ebb3f8c 100644
--- a/registry/nacos/mcpserver/watcher.go
+++ b/registry/nacos/mcpserver/watcher.go
@@ -56,20 +56,20 @@ const (
 
 var (
 	supportedProtocols = map[string]bool{
-		provider.HttpProtocol:         true,
-		provider.HttpsProtocol:        true,
-		provider.McpSSEProtocol:       true,
-		provider.McpStreambleProtocol: true,
+		provider.HttpProtocol:          true,
+		provider.HttpsProtocol:         true,
+		provider.McpSSEProtocol:        true,
+		provider.McpStreamableProtocol: true,
 	}
 	protocolUpstreamTypeMapping = map[string]string{
-		provider.HttpProtocol:         mcpserver.UpstreamTypeRest,
-		provider.HttpsProtocol:        mcpserver.UpstreamTypeRest,
-		provider.McpSSEProtocol:       mcpserver.UpstreamTypeSSE,
-		provider.McpStreambleProtocol: mcpserver.UpstreamTypeStreamable,
+		provider.HttpProtocol:          mcpserver.UpstreamTypeRest,
+		provider.HttpsProtocol:         mcpserver.UpstreamTypeRest,
+		provider.McpSSEProtocol:        mcpserver.UpstreamTypeSSE,
+		provider.McpStreamableProtocol: mcpserver.UpstreamTypeStreamable,
 	}
 	routeRewriteProtocols = map[string]bool{
-		provider.McpSSEProtocol:       true,
-		provider.McpStreambleProtocol: true,
+		provider.McpSSEProtocol:        true,
+		provider.McpStreamableProtocol: true,
 	}
 	mcpServerRewriteProtocols = map[string]bool{
 		provider.McpSSEProtocol: true,