diff --git a/src/view/CodemirrorEditor.vue b/src/view/CodemirrorEditor.vue
index da2118e..9bbcaac 100644
--- a/src/view/CodemirrorEditor.vue
+++ b/src/view/CodemirrorEditor.vue
@@ -229,7 +229,7 @@ export default {
             // validate image
             const checkResult = checkImage(file);
             if (!checkResult.ok) {
-                 this.$message.error(checkResult.msg);
+                this.$message.error(checkResult.msg);
                 return false;
             }