diff --git a/local_plugins/chat_api/ios/chat_api/Sources/chat_api/MCPClient.swift b/local_plugins/chat_api/ios/chat_api/Sources/chat_api/MCPClient.swift
index ba4965442..cf9ed3bde 100644
--- a/local_plugins/chat_api/ios/chat_api/Sources/chat_api/MCPClient.swift
+++ b/local_plugins/chat_api/ios/chat_api/Sources/chat_api/MCPClient.swift
@@ -497,7 +497,8 @@ public class MCPClient {
         }
         
         var connectedCount = 0
-        for (serverId: String, serverConfig) in mcpServers {
+        for (serverIdKey, serverConfig) in mcpServers {
+            let serverId = serverIdKey // 明确声明 serverId
             guard let configDict: [String : Any] = serverConfig as? [String: Any] else {
                 continue
             }