diff --git a/example/get_started_en.ipynb b/example/get_started_en.ipynb
index c2af668..f8a0c38 100644
--- a/example/get_started_en.ipynb
+++ b/example/get_started_en.ipynb
@@ -103,8 +103,6 @@
     }
    },
    "outputs": [],
-    }
-   ],
    "source": [
     "import okx.Trade as Trade"
    ]