diff --git a/docs-2.0/nebula-exchange/use-exchange/ex-ug-import-from-sst.md b/docs-2.0/nebula-exchange/use-exchange/ex-ug-import-from-sst.md
index 0731587bde6..719a2839162 100644
--- a/docs-2.0/nebula-exchange/use-exchange/ex-ug-import-from-sst.md
+++ b/docs-2.0/nebula-exchange/use-exchange/ex-ug-import-from-sst.md
@@ -210,7 +210,7 @@ SST 文件是一个内部包含了任意长度的有序键值对集合的文件
     }
 
     # 客户端连接参数
-    connection {
+    connection: {
       # socket 连接、执行的超时时间，单位：毫秒。
       timeout: 30000
     }