diff --git a/code/application/source/sf_app/code/source/app/sf_system.c b/code/application/source/sf_app/code/source/app/sf_system.c
index d3153d0a3..7c81ebd72 100755
--- a/code/application/source/sf_app/code/source/app/sf_system.c
+++ b/code/application/source/sf_app/code/source/app/sf_system.c
@@ -1317,7 +1317,7 @@ void* sf_sys_do_4g_upgrade(void *arg)
 
     }
 
-	ModeuleUpgradeTskParam.IsRun = 2;
+	ModeuleUpgradeTskParam.IsRun = 0;
     SLOGW("Begin to do 4G Upgrade e\n");
 
 	return NULL;
@@ -1326,10 +1326,12 @@ void* sf_sys_do_4g_upgrade(void *arg)
 void sf_do_4g_upgrade_thread(void)
 {
 	printf("ModeuleUpgradeTskParam.IsRun:%d\n", ModeuleUpgradeTskParam.IsRun);
-    if(ModeuleUpgradeTskParam.IsRun == 2)
+    if(ModeuleUpgradeTskParam.IsRun != 0)
     {
-        ModeuleUpgradeTskParam.IsRun = 0;
-        pthread_join(ModeuleUpgradeTskParam.TskId, NULL);
+        // ModeuleUpgradeTskParam.IsRun = 0;
+        // pthread_join(ModeuleUpgradeTskParam.TskId, NULL);
+        SLOGW("4G Upgrade thread run\n");
+        return;
     }
 	
     if(!ModeuleUpgradeTskParam.IsRun)
diff --git a/code/lib/source/sifar/code/source/common/sf_common.c b/code/lib/source/sifar/code/source/common/sf_common.c
index a4831ccd5..9724c0a24 100755
--- a/code/lib/source/sifar/code/source/common/sf_common.c
+++ b/code/lib/source/sifar/code/source/common/sf_common.c
@@ -2351,7 +2351,7 @@ void* sf_sys_do_upgrade(void *arg)
 
     }
     //sf_set_fw_update(0);
-	UpgradeTskParam.IsRun = 2;
+	UpgradeTskParam.IsRun = 0;
 
 	return NULL;
 }
@@ -2359,12 +2359,11 @@ void* sf_sys_do_upgrade(void *arg)
 void sf_do_upgrade_thread(void)
 {
 	printf("UpgradeTskParam.IsRun:%d\n", UpgradeTskParam.IsRun);
-    if(UpgradeTskParam.IsRun == 2)
+    if(UpgradeTskParam.IsRun != 0)
     {
-        UpgradeTskParam.IsRun = 0;
-        pthread_join(UpgradeTskParam.TskId, NULL);
+        SLOGW("cam Upgrade thread run\n");
+        return ;
     }
-	
     if(!UpgradeTskParam.IsRun)
     {
         pthread_create(&UpgradeTskParam.TskId, NULL, sf_sys_do_upgrade, NULL);