diff --git a/dolphinscheduler-task-plugin/dolphinscheduler-task-datax/src/main/java/org/apache/dolphinscheduler/plugin/task/datax/DataxTask.java b/dolphinscheduler-task-plugin/dolphinscheduler-task-datax/src/main/java/org/apache/dolphinscheduler/plugin/task/datax/DataxTask.java
index 873d8f7424..f36436176f 100644
--- a/dolphinscheduler-task-plugin/dolphinscheduler-task-datax/src/main/java/org/apache/dolphinscheduler/plugin/task/datax/DataxTask.java
+++ b/dolphinscheduler-task-plugin/dolphinscheduler-task-datax/src/main/java/org/apache/dolphinscheduler/plugin/task/datax/DataxTask.java
@@ -567,7 +567,7 @@ public class DataxTask extends AbstractTaskExecutor {
             int num = md.getColumnCount();
             columnNames = new String[num];
             for (int i = 1; i <= num; i++) {
-                columnNames[i - 1] = md.getColumnName(i).replaceAll("t.","");
+                columnNames[i - 1] = md.getColumnName(i).replace("t.","");
             }
         } catch (SQLException | ExecutionException e) {
             logger.error(e.getMessage(), e);