diff --git a/uart/uart.cpp b/uart/uart.cpp
index cc52a6e..aa70654 100644
--- a/uart/uart.cpp
+++ b/uart/uart.cpp
@@ -285,21 +285,30 @@ int Uart::ReadFromUart() {
 int Uart::ReadFromAlarm(){
     char buffer[100] = {0x00};
     int len = read_data(fd, (char *)buffer, 100, 10);
+    printf( "ReadFromAlarm len = %d\n", len);
     for (int i = 0; i < len; i++) printf( "%02X ", buffer[i] & 0xFF);
+    printf( "print end\n");
     zlog_info(zct, "==========ReadFromAlarm========len = %d", len);
+    char head[] = {0xA5, 0x5A, 0xA5};
     if (len > 0)
     {
         for (int i = 0; i < len; i++) {
-            printf( "%02x ", buffer[i] & 0xff);
-        }
-        if(buffer[5] == 0x02 && buffer[6] == 0x01){
-            return 0 ;
-        }else{
-            return 1 ;
-        }
-    }else {
-        return 1 ;
-    }    
+            if (buffer[i] == head[0]) {
+                char buf[12] = {0x00};
+                sprintf(buf, "%02X%02X%02X", buffer[i] & 0xFF,buffer[i + 1] & 0xFF,buffer[i + 2] & 0xFF);
+                std::string strHeadFlag(buf);
+                if (0 == strHeadFlag.compare("A55AA5")) {
+                    
+                    if(buffer[i + 5] == 0x02 && buffer[i + 6] == 0x01){
+                        return 0 ;
+                    }else{
+                        continue;
+                    }
+                }
+            }
+        } 
+    }
+    return 1 ; 
 }
 
 void Uart::Run() { mIoSev.run(); }
diff --git a/uart/uart_parameter_config.cpp b/uart/uart_parameter_config.cpp
index 10b926c..d84592e 100644
--- a/uart/uart_parameter_config.cpp
+++ b/uart/uart_parameter_config.cpp
@@ -437,12 +437,12 @@ int Uart::UpdateConfig(uint16_t ushortAdd) {
     UpdateData[99] = tmp1;
     tcflush(fd, TCIFLUSH);
     WriteToUart((const char*)UpdateData, 100);
-    int iRet = CheckZigbeeACK();
-    if (iRet == 0) {
-        zlog_info(zct, "updateconfig ACK send success,shortAddr = %02x%02x", UINT16_HIGH(ushortAdd),UINT16_LOW(ushortAdd));
-    } else {
-        zlog_warn(zct, "updateconfig ACK send failed,shortAddr = %02x%02x", UINT16_HIGH(ushortAdd),UINT16_LOW(ushortAdd));
-    }
+    // int iRet = CheckZigbeeACK();
+    // if (iRet == 0) {
+    //     zlog_info(zct, "updateconfig ACK send success,shortAddr = %02x%02x", UINT16_HIGH(ushortAdd),UINT16_LOW(ushortAdd));
+    // } else {
+    //     zlog_warn(zct, "updateconfig ACK send failed,shortAddr = %02x%02x", UINT16_HIGH(ushortAdd),UINT16_LOW(ushortAdd));
+    // }
 
     mssleep(50000);
     std::string strName = sqlite_db_ctrl::instance().GetData(T_SENSOR_INFO(TNAME), " dataNodeName ", whereCon);
@@ -475,12 +475,12 @@ int Uart::UpdateConfig(uint16_t ushortAdd) {
         UpdateData[99] = tmp1;
         tcflush(fd, TCIFLUSH);
         WriteToUart((const char*)UpdateData, 100);
-        int iRet = CheckZigbeeACK();
-        if (iRet == 0) {
-            zlog_info(zct, "updataname ACK send success,shortAddr = %02x%02x", UINT16_HIGH(ushortAdd),UINT16_LOW(ushortAdd));
-        } else {
-            zlog_warn(zct, "updataname ACK send failed,shortAddr = %02x%02x", UINT16_HIGH(ushortAdd),UINT16_LOW(ushortAdd));
-        }
+        // int iRet = CheckZigbeeACK();
+        // if (iRet == 0) {
+        //     zlog_info(zct, "updataname ACK send success,shortAddr = %02x%02x", UINT16_HIGH(ushortAdd),UINT16_LOW(ushortAdd));
+        // } else {
+        //     zlog_warn(zct, "updataname ACK send failed,shortAddr = %02x%02x", UINT16_HIGH(ushortAdd),UINT16_LOW(ushortAdd));
+        // }
         return 0;
     }
     return 0;