diff --git a/common/SH_global.h b/common/SH_global.h
index e893d95..c67b7d6 100644
--- a/common/SH_global.h
+++ b/common/SH_global.h
@@ -20,7 +20,7 @@ enum enumZigBeeTransmitStatus {
 
 
 //#define NR5G_MODULE
-//#define Q4G_MODULE
+#define Q4G_MODULE
 //#define WIFI_MODULE
 //#define NR5G_MEIGE
 //#define	G2UL_GATEWAY
@@ -47,6 +47,7 @@ public :
     static std::string Config_G;   //配置文件
     static std::string ServerIP;  //服务器地址
     static int ServerPort; //服务器端口
+    static int threadStatus;
     static std::string UartName_G;
     static TopicList Topic_G;   //发布的主题
     static ZigbeeInfo ZigbeeInfo_G;  //gateway zigbee info
diff --git a/main.cpp b/main.cpp
index 1618a43..05a71ff 100644
--- a/main.cpp
+++ b/main.cpp
@@ -138,7 +138,7 @@ int main(int argc, char *argv[])
     startHeart.detach();
 
     int fd = OpenWatchDog();
-
+    int count = 0;
     while (GlobalConfig::QuitFlag_G) {
 #ifdef G2UL_GATEWAY
     	gpio_set(GlobalConfig::GPIO_G.hardWatchDog,1);
@@ -147,6 +147,16 @@ int main(int argc, char *argv[])
 #endif
     	WriteWatchDog(fd);
         sleep(20);
+        if(GlobalConfig::threadStatus == 0){
+            count ++;
+        }else if(GlobalConfig::threadStatus == 1){
+            GlobalConfig::threadStatus = 0;
+            count = 0;
+        }
+        if(count >= 180){
+            LOG_ERROR("===========threadStatus ========failed \n");
+            break;
+        }
       //  data_publish(senddata.c_str(), GlobalConfig::Topic_G.mPubData.c_str());
 
     }
diff --git a/mqttclient/SH_MqttClient.cpp b/mqttclient/SH_MqttClient.cpp
index 830d5d0..3a24cc4 100644
--- a/mqttclient/SH_MqttClient.cpp
+++ b/mqttclient/SH_MqttClient.cpp
@@ -247,7 +247,8 @@ int start_client(const char *boardname, const char *gwid, const char* gwip, cons
             mosquitto_lib_cleanup();
             return 1;
         }
-        snprintf(id, len, "mosqsub/%d-%s", getpid(), hostname);
+        
+        snprintf(id, len, "mosqsub/%s-%s", GlobalConfig::ZigbeeInfo_G.PanID.c_str(), hostname);
         if (strlen(id) > MOSQ_MQTT_ID_MAX_LENGTH){
             /* Enforce maximum client id length of 23 characters */
             id[MOSQ_MQTT_ID_MAX_LENGTH] = '\0';
diff --git a/platform/SH_PlatformInit.cpp b/platform/SH_PlatformInit.cpp
index 9201d51..a1be577 100644
--- a/platform/SH_PlatformInit.cpp
+++ b/platform/SH_PlatformInit.cpp
@@ -23,6 +23,7 @@ std::string GlobalConfig::NR5GTemp = "";
 int GlobalConfig::serverStatus = 0;
 int GlobalConfig::NetSignal = 0;
 int GlobalConfig::ServerPort = 0;
+int GlobalConfig::threadStatus = 1;
 
 
 TopicList GlobalConfig::Topic_G;
diff --git a/threadfunc/SH_ThreadFunc.cpp b/threadfunc/SH_ThreadFunc.cpp
index 27d2044..fa1ecef 100644
--- a/threadfunc/SH_ThreadFunc.cpp
+++ b/threadfunc/SH_ThreadFunc.cpp
@@ -50,6 +50,7 @@ void CheckThread()
     int connectCount = 0;
 
     while (GlobalConfig::QuitFlag_G) {
+		GlobalConfig::threadStatus = 1;
     	if (10 == heart_count) {
            // StatusPub();
             if (GlobalConfig::LinkCount > 30) {