diff --git a/backend/main.py b/backend/main.py
index ea1b1226..7401f337 100755
--- a/backend/main.py
+++ b/backend/main.py
@@ -80,8 +80,8 @@ if __name__ == '__main__':
     # 启动服务
     # python3 main.py run --env=dev(不加默认为dev)
     # 生成迁移
-    # python main.py revision "初始化迁移" --env=dev(不加默认为dev)
+    # python3 main.py revision "初始化迁移" --env=dev(不加默认为dev)
     # 应用迁移
-    # python main.py upgrade --env=dev(不加默认为dev)
+    # python3 main.py upgrade --env=dev(不加默认为dev)
     
     shell_app()