diff --git a/CEFR/word-cache-zh.json b/CEFR/word-cache-zh.json
index 7be52ea..0c07c30 100644
--- a/CEFR/word-cache-zh.json
+++ b/CEFR/word-cache-zh.json
@@ -70696,8 +70696,8 @@
     "word_zh_source": "azure"
   },
   "yeah": {
-    "zh": "",
-    "source": "",
+    "zh": "在非正式口語中使用，表示「是的」，或用來表達同意、理解、知道了。",
+    "source": "chatgpt",
     "word_zh": "是的",
     "word_zh_source": "azure"
   }