diff --git a/cap/zx297520v3/src/lynq/lib/liblynq-qser-fota/lynq-qser-fota.cpp b/cap/zx297520v3/src/lynq/lib/liblynq-qser-fota/lynq-qser-fota.cpp
index 1589c5f..811e7e7 100755
--- a/cap/zx297520v3/src/lynq/lib/liblynq-qser-fota/lynq-qser-fota.cpp
+++ b/cap/zx297520v3/src/lynq/lib/liblynq-qser-fota/lynq-qser-fota.cpp
@@ -123,7 +123,7 @@
 int lynq_get_upgrade_type();
 int lynq_get_sync_status();
 int lynq_set_sync_status(char *option_para);
-
+int  calculate_md5_sum( char *md5_sum,int md5_size);
 
 /*****************************************
 * @brief:rock_update_main
@@ -145,6 +145,7 @@
     time_t endTime;
     struct tm *localTime;
     double elapsed = 0;
+    char md5_sum[48] = {0};
 
     FILE *fp = NULL;
     fp = fopen(FOTA_FLAG_FILE,"w+");
@@ -192,6 +193,12 @@
         return -1;
     }
 
+    ret = calculate_md5_sum(md5_sum,sizeof(md5_sum));
+    if(ret != 0)
+    {
+        LYINFLOG("Calculate md5 sum failed");
+    }
+
     startTime = time(NULL);
     if(startTime == (time_t)-1) 
     {
@@ -211,7 +218,7 @@
     if(ret != 0)
     {
         LYERRLOG("Upgrade failed");
-        ret =  sc_debug_info_record(MODULE_ID_CAP_FOTA,"failed,spendtime: %.2lf seconds,package size:%d,finished time %s", elapsed,total_size,asctime(localTime));
+        ret =  sc_debug_info_record(MODULE_ID_CAP_FOTA,"failed,spendtime: %.2lf seconds,finished time %s,md5:%s", elapsed,asctime(localTime),md5_sum);
         if(ret <= 0)
         {
             LYERRLOG("lynq_record_debug_info failed");
@@ -221,7 +228,7 @@
     else
     {
         LYINFLOG("Upgrade success");
-        ret =  sc_debug_info_record(MODULE_ID_CAP_FOTA,"success,spendtime: %.2lf seconds,package size:%d,finished time %s", elapsed,total_size,asctime(localTime));
+        ret =  sc_debug_info_record(MODULE_ID_CAP_FOTA,"success,spendtime: %.2lf seconds,finished time %s,md5:%s", elapsed,asctime(localTime),md5_sum);
         if(ret <= 0)
         {
             LYERRLOG("lynq_record_debug_info failed");
@@ -1006,6 +1013,58 @@
      return ration;
 }
 
+int  calculate_md5_sum( char *md5_sum,int md5_size)
+{
+    FILE *fp = NULL;
+    char package_path[256] = {0};
+    char command[64] = {0};
+    char *space_pos = NULL;
+    int length = 0;
+    char command_result[64] = {0};
+    
+    fp = fopen(FOTA_ADDR_FILE, "rb");
+    if(fp == NULL)
+    {
+        LYERRLOG("Open file failed", FOTA_ADDR_FILE);
+        return -1;
+    }
+    if(fgets(package_path, sizeof(package_path), fp) == NULL)
+    {
+        LYERRLOG("Read file %s failed", package_path);
+    }
+    fclose(fp);
+    
+    snprintf(command, sizeof(command), "md5sum %s",package_path);
+
+    fp = popen(command, "r");
+    if (fp == NULL) 
+    {
+        LYERRLOG("Failed to run command\n");
+        return -1;
+    }
+    if (fgets(command_result, sizeof(command_result), fp) != NULL) 
+    {
+       
+        space_pos = strchr(command_result, ' ');
+        if (space_pos != NULL) 
+        {
+            length = space_pos - command_result;
+             if(length >= md5_size) 
+             {
+                pclose(fp);
+                return -1;
+            }
+            strncpy(md5_sum, command_result, length);
+            md5_sum[length] = '\0';
+        } 
+    } 
+    
+    pclose(fp);
+    
+    return 0;
+
+}
+
 DEFINE_LYNQ_LIB_LOG(LYNQ_FOTA)
 
 #ifdef __cplusplus