diff --git a/starrockswriter/doc/starrockswriter.md b/starrockswriter/doc/starrockswriter.md
index ba94e6af..6ebe3681 100644
--- a/starrockswriter/doc/starrockswriter.md
+++ b/starrockswriter/doc/starrockswriter.md
@@ -64,13 +64,13 @@ StarRocksWriter 插件实现了写入数据到 StarRocks 主库的目的表的
                         "column": ["k1", "k2", "v1", "v2"],
                         "preSql": [],
                         "postSql": [], 
-						"connection": [
-							{
-								"table": ["xxx"],
-								"jdbcUrl": "jdbc:mysql://172.28.17.100:9030/",
-								"selectedDatabase": "xxxx"
-							}
-						],
+                        "connection": [
+                            {
+                                "table": ["xxx"],
+                                "jdbcUrl": "jdbc:mysql://172.28.17.100:9030/",
+                                "selectedDatabase": "xxxx"
+                            }
+                        ],
                         "loadUrl": ["172.28.17.100:8030", "172.28.17.100:8030"],
                         "loadProps": {}
                     }