diff --git a/app/helper/plugin.py b/app/helper/plugin.py
index 4bcc2c92..848f4d31 100644
--- a/app/helper/plugin.py
+++ b/app/helper/plugin.py
@@ -135,7 +135,8 @@ class PluginHelper(metaclass=Singleton):
             if r is None:
                 return None, "连接仓库失败"
             elif r.status_code != 200:
-                return None, f"连接仓库失败：{r.status_code} - {r.reason}"
+                return None, f"连接仓库失败：{r.status_code} - " \
+                             f"{'超出速率限制，请配置GITHUB_TOKEN环境变量或稍后重试' if r.status_code == 403 else r.reason}"
             ret = r.json()
             if ret and ret[0].get("message") == "Not Found":
                 return None, "插件在仓库中不存在"