diff --git a/code/application/source/sf_app/code/source/qrcodeMng/sf_bmp.c b/code/application/source/sf_app/code/source/qrcodeMng/sf_bmp.c
index 580d6e26c..59866a066 100644
--- a/code/application/source/sf_app/code/source/qrcodeMng/sf_bmp.c
+++ b/code/application/source/sf_app/code/source/qrcodeMng/sf_bmp.c
@@ -155,18 +155,30 @@ void vd_g_SaveBitmap(const ST_BITMAP * st_ap_bitmap, const char * sz_ap_path)
 	do
 	{
 		if(st_ap_bitmap == NULL)
+		{
+			printf("st_ap_bitmap failed.\n");
 			break;
+		}
 		
 		if((st_ap_bitmap->u2_bitcount != 16) && (st_ap_bitmap->u2_bitcount != 24) && (st_ap_bitmap->u2_bitcount != 32))
+		{
+			printf("st_ap_bitmap failed 2.\n");
 			break;
+		}
  
 		if(sz_ap_path == NULL)
+		{
+			printf("sz_ap_path failed.\n");
 			break;
+		}
 	
 		file_bitmap = fopen(sz_ap_path, "wb");
 		if(file_bitmap == NULL)
+		{
+			printf("fopen failed.\n");
 			break;
- 
+		}
+		printf("sz_ap_path = %s\n", sz_ap_path);
 		// set bitmap head info
 		vd_SerializeLittleEndianU4(&u1_tp_bitmap_header[2], sizeof(u1_tp_bitmap_header) + st_ap_bitmap->u4_image_size);
 		vd_SerializeLittleEndianU4(&u1_tp_bitmap_header[10], sizeof(u1_tp_bitmap_header));
@@ -188,7 +200,7 @@ void vd_g_SaveBitmap(const ST_BITMAP * st_ap_bitmap, const char * sz_ap_path)
 		
  
 	} while(0);
-	
+	system("sync");
 	if(file_bitmap)
 		fclose(file_bitmap);
 }