diff --git a/core/src/test/java/com/alibaba/datax/core/TestMysql2TDengine.java b/core/src/test/java/com/alibaba/datax/core/TestMysql2TDengine.java
index cab0629f..4aaad646 100644
--- a/core/src/test/java/com/alibaba/datax/core/TestMysql2TDengine.java
+++ b/core/src/test/java/com/alibaba/datax/core/TestMysql2TDengine.java
@@ -67,7 +67,6 @@ public class TestMysql2TDengine {
                 psmt.executeBatch();
             }
         }
-        // 有部分重复数据，不影响测试
         psmt.executeBatch();
     }