diff --git a/features/lm/file_export/controller.go b/features/lm/file_export/controller.go
index 5fba6abb..9ce7fdff 100644
--- a/features/lm/file_export/controller.go
+++ b/features/lm/file_export/controller.go
@@ -73,8 +73,9 @@ func (m *FileExport) GetFileList(c *gin.Context) {
 
 	files, err := file.GetFileInfo(querys.Path, querys.Suffix)
 	if err != nil {
-		log.Error(err)
+		log.Error("failed to GetFileInfo:", err)
 		c.JSON(http.StatusInternalServerError, services.ErrResp(err.Error()))
+		return
 	}
 
 	// split files list
@@ -98,7 +99,7 @@ func (m *FileExport) Total(c *gin.Context) {
 
 	fileCount, dirCount, err := file.GetFileAndDirCount(dir)
 	if err != nil {
-		log.Error(err)
+		log.Error("failed to GetFileAndDirCount:", err)
 		c.JSON(http.StatusInternalServerError, services.ErrResp(err.Error()))
 		return
 	}