diff --git a/code/application/source/sf_app/code/source/app/sf_device.c b/code/application/source/sf_app/code/source/app/sf_device.c
index bfa5959ed..ac48d2e56 100755
--- a/code/application/source/sf_app/code/source/app/sf_device.c
+++ b/code/application/source/sf_app/code/source/app/sf_device.c
@@ -601,7 +601,7 @@ BOOL sf_load_ko(void)
 
 	usb_drivers = usb_host_drivers;
 	//printf("[%s:%d] s\n", __FUNCTION__, __LINE__);
-    MLOGI("sf_load_ko start --.\n");
+    //MLOGI("sf_load_ko start --.\n");
 	while(usb_drivers[cnt++])
 	{
 	}
@@ -612,7 +612,7 @@ BOOL sf_load_ko(void)
 
 		if(driver_path){
 			snprintf(cmd, sizeof(cmd), "insmod %s/%s", driver_path_prefix, driver_path);
-            MLOGI("[%s:%d] %s\n", __FUNCTION__, __LINE__, cmd);
+            //MLOGI("[%s:%d] %s\n", __FUNCTION__, __LINE__, cmd);
             ret = system(cmd);
             if(0 != ret)
             {
@@ -620,7 +620,7 @@ BOOL sf_load_ko(void)
             }
 		}
 	}
-    MLOGI("sf_load_ko finsihed.\n");
+    //MLOGI("sf_load_ko finsihed.\n");
 	//printf("[%s:%d] e\n", __FUNCTION__, __LINE__);
 	return ret2;
 }