diff --git a/lib/base/database/DataBase.dart b/lib/base/database/DataBase.dart
index 2fc11c8..2850d23 100644
--- a/lib/base/database/DataBase.dart
+++ b/lib/base/database/DataBase.dart
@@ -22,6 +22,9 @@ abstract class DataBase {
 
   // 执行删除操作
   Future<void> delete(String table, dynamic condition);
+
+  //查询数量
+  Future<int> count(String tbale, {dynamic condition});
 }
 
 class DataBaseConfig {
diff --git a/lib/base/database/impl/MongoDb.dart b/lib/base/database/impl/MongoDb.dart
index be28bf2..01cc0c1 100644
--- a/lib/base/database/impl/MongoDb.dart
+++ b/lib/base/database/impl/MongoDb.dart
@@ -50,4 +50,9 @@ class MongoDb implements DataBase {
     await getCollection(table)
         .update(condition, data, multiUpdate: multiUpdate);
   }
+
+  @override
+  Future<int> count(String tbale, {dynamic condition}) async {
+    return await getCollection(tbale).count(condition);
+  }
 }
diff --git a/lib/base/discovery/impl/NacosDiscovery.dart b/lib/base/discovery/impl/NacosDiscovery.dart
index 2c3d0a4..958e3f5 100644
--- a/lib/base/discovery/impl/NacosDiscovery.dart
+++ b/lib/base/discovery/impl/NacosDiscovery.dart
@@ -60,6 +60,12 @@ class NacosDiscovery implements Discovery {
                   'namespaceId': config.namespaceId,
                 });
                 print(rr);
+                //判断心跳是否发送成功
+                if(rr.data["code"]==20404){
+                  //实例未注册 重新注册实例
+                  healthCheck = false;
+                  registerInstance(serviceName, ip, port,groupName: groupName);
+                }
               } catch (e) {
                 print(e);
               }
diff --git a/lib/base/http/TraceDio.dart b/lib/base/http/TraceDio.dart
index c2dd6f9..db24773 100644
--- a/lib/base/http/TraceDio.dart
+++ b/lib/base/http/TraceDio.dart
@@ -9,6 +9,7 @@ class TraceDio {
   final Uuid uuid = Uuid();
 
   static late TraceDio _traceDio;
+  String? token;
 
   TraceDio(Logger logger)
       : _dio = Dio(),
@@ -48,6 +49,9 @@ class TraceDio {
             tag: "DIO",
             traceId: traceId,
             spanId: spanId);
+        if (response.headers["token"] != null) {
+          token = response.headers["token"]?[0];
+        }
         return handler.next(response); // 继续处理响应
       },
       onError: (DioException e, handler) {
@@ -71,21 +75,29 @@ class TraceDio {
 
   Map<String, dynamic>? getHeader(
       {Map<String, dynamic>? headers, sf.Request? request}) {
+    headers ??= {};
     if (request != null) {
       return {
+        ...headers,
         "X-Trace-ID": request.context['request_trace_id'] as String,
         "X-Span-ID": request.context['request_span_id'] as String
       };
     }
-    return null;
+    if (token != null) {
+      headers["token"] = token;
+    }
+    return headers;
   }
 
   // 发起 GET 请求
   Future<Response> get(String url,
-      {Map<String, dynamic>? queryParameters, sf.Request? request}) async {
+      {Map<String, dynamic>? queryParameters,
+      sf.Request? request,
+      ResponseType? responseType}) async {
     return await _dio.get(url,
         queryParameters: queryParameters,
-        options: Options(headers: getHeader(request: request)));
+        options: Options(
+            headers: getHeader(request: request), responseType: responseType));
   }
 
   // 发起 POST 请求
diff --git a/lib/base/websocket/WebSocket.dart b/lib/base/websocket/WebSocket.dart
index 432263d..77e3259 100644
--- a/lib/base/websocket/WebSocket.dart
+++ b/lib/base/websocket/WebSocket.dart
@@ -33,6 +33,11 @@ class WebSocket {
     final channel = WebSocketChannel.connect(wsUrl);
     try {
       await channel.ready;
+      Future.delayed(Duration(seconds: 2), () {
+        if (_config.onOpen != null) {
+          _config.onOpen!();
+        }
+      });
     } catch (e) {
       print(e);
       //连接失败
@@ -73,6 +78,8 @@ class WebSocketConfig {
   String host;
   bool reConnect;
   void Function(String) messgae;
+  void Function()? onOpen;
 
-  WebSocketConfig(this.host, this.messgae, {this.reConnect = true});
+  WebSocketConfig(this.host, this.messgae,
+      {this.reConnect = true, this.onOpen});
 }