diff --git a/core/src/main/java/com/alibaba/datax/core/util/container/CoreConstant.java b/core/src/main/java/com/alibaba/datax/core/util/container/CoreConstant.java
index 6a0b6205..a1ca164d 100755
--- a/core/src/main/java/com/alibaba/datax/core/util/container/CoreConstant.java
+++ b/core/src/main/java/com/alibaba/datax/core/util/container/CoreConstant.java
@@ -105,7 +105,7 @@ public class CoreConstant {
 
     public static final String DATAX_JOB_POSTHANDLER_PLUGINNAME = "job.postHandler.pluginName";
     // ----------------------------- 局部使用的变量
-    public static final String JOB_WRITER = "reader";
+    public static final String JOB_WRITER = "writer";
 
 	public static final String JOB_READER = "reader";