diff --git a/dbgpt/_private/config.py b/dbgpt/_private/config.py
index 4a8fbb8c5..05e08b3de 100644
--- a/dbgpt/_private/config.py
+++ b/dbgpt/_private/config.py
@@ -61,7 +61,7 @@ def __init__(self) -> None:
         if self.zhipu_proxy_api_key:
             os.environ["zhipu_proxyllm_proxy_api_key"] = self.zhipu_proxy_api_key
             os.environ["zhipu_proxyllm_proxyllm_backend"] = os.getenv(
-                "ZHIPU_MODEL_VERSION"
+                "ZHIPU_MODEL_VERSION", "chatglm_pro"
             )
 
         # wenxin