修复在文件编辑时一直按撤销会导致文件内容变空白

src/components/files/file-workspace-panel.tsx

@@ -1563,6 +1563,11 @@ export function FileWorkspacePanel() {
           </div>
         )}
         <div className="flex-1 min-h-0">
+          {activeFileTab.loading ? (
+            <div className="h-full flex items-center justify-center text-xs text-muted-foreground">
+              {t("loadingEditor")}
+            </div>
+          ) : (
             <MonacoEditor
               beforeMount={defineMonacoThemes}
               onMount={handleEditorMount}
@@ -1595,6 +1600,7 @@ export function FileWorkspacePanel() {
                 },
               }}
             />
+          )}
         </div>
       </div>
     </div>