diff --git a/frontend/lang/messages/zh-CN.json b/frontend/lang/messages/zh-CN.json
index 0775a5c06aea..3be043c57f0f 100644
--- a/frontend/lang/messages/zh-CN.json
+++ b/frontend/lang/messages/zh-CN.json
@@ -114,6 +114,7 @@
     "json": "JSON",
     "keyword": "关键字",
     "link-copied": "链接已复制",
+    "loading": "Loading",
     "loading-events": "正在加载事件",
     "loading-recipe": "Loading recipe...",
     "loading-ocr-data": "Loading OCR data...",