diff --git a/datax-web/src/main/java/com/wugui/tool/datax/BaseDataxPlugin.java b/datax-web/src/main/java/com/wugui/tool/datax/BaseDataxPlugin.java
index 939ac9dd..c43b110a 100644
--- a/datax-web/src/main/java/com/wugui/tool/datax/BaseDataxPlugin.java
+++ b/datax-web/src/main/java/com/wugui/tool/datax/BaseDataxPlugin.java
@@ -1,5 +1,8 @@
 package com.wugui.tool.datax;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.util.Map;
 
 /**
@@ -12,11 +15,13 @@ import java.util.Map;
  */
 public abstract class BaseDataxPlugin implements DataxPluginInterface {
 
+    protected Logger logger = LoggerFactory.getLogger(this.getClass());
+
     protected Map<String, Object> extraParams;
 
 
     @Override
-    public void extraParams(Map<String, Object> extraParams) {
+    public void setExtraParams(Map<String, Object> extraParams) {
         this.extraParams = extraParams;
     }
 
diff --git a/datax-web/src/main/java/com/wugui/tool/datax/DataxJsonHelper.java b/datax-web/src/main/java/com/wugui/tool/datax/DataxJsonHelper.java
index 485e83d9..b7437761 100644
--- a/datax-web/src/main/java/com/wugui/tool/datax/DataxJsonHelper.java
+++ b/datax-web/src/main/java/com/wugui/tool/datax/DataxJsonHelper.java
@@ -65,6 +65,9 @@ public class DataxJsonHelper implements DataxJsonInterface {
 
     private BaseDataxPlugin writerPlugin;
 
+    //用于保存额外参数
+    private Map<String, Object> extraParams = Maps.newHashMap();
+
     public void initReader(JobJdbcDatasource readerDatasource, List<String> readerTables, List<String> readerColumns) {
         this.readerTables = readerTables;
         this.readerColumns = readerColumns;
@@ -80,6 +83,7 @@ public class DataxJsonHelper implements DataxJsonInterface {
         } else if (JdbcConstants.POSTGRESQL.equals(readerDbType)) {
             readerPlugin = new PostgresqlReader();
         }
+        readerPlugin.setExtraParams(extraParams);
     }
 
     public void initWriter(JobJdbcDatasource writerDatasource, List<String> writerTables, List<String> writerColumns) {
@@ -156,4 +160,8 @@ public class DataxJsonHelper implements DataxJsonInterface {
     public void setWriterPlugin(BaseDataxPlugin writerPlugin) {
         this.writerPlugin = writerPlugin;
     }
+
+    public void addWhereParams(String params) {
+        extraParams.put("where", params);
+    }
 }
diff --git a/datax-web/src/main/java/com/wugui/tool/datax/DataxPluginInterface.java b/datax-web/src/main/java/com/wugui/tool/datax/DataxPluginInterface.java
index 1e54fde4..f98c03fe 100644
--- a/datax-web/src/main/java/com/wugui/tool/datax/DataxPluginInterface.java
+++ b/datax-web/src/main/java/com/wugui/tool/datax/DataxPluginInterface.java
@@ -37,7 +37,7 @@ public interface DataxPluginInterface {
     /**
      * 传递一些额外的参数
      *
-     * @return extraParams
+     * @return setExtraParams
      */
-    void extraParams(Map<String, Object> extraParams);
+    void setExtraParams(Map<String, Object> extraParams);
 }
diff --git a/datax-web/src/main/java/com/wugui/tool/datax/reader/BaseReaderPlugin.java b/datax-web/src/main/java/com/wugui/tool/datax/reader/BaseReaderPlugin.java
index cb082abd..5f17d09e 100644
--- a/datax-web/src/main/java/com/wugui/tool/datax/reader/BaseReaderPlugin.java
+++ b/datax-web/src/main/java/com/wugui/tool/datax/reader/BaseReaderPlugin.java
@@ -32,11 +32,16 @@ public abstract class BaseReaderPlugin extends BaseDataxPlugin {
         parameterObj.put("password", jobJdbcDatasource.getJdbcPassword());
         //列表
         parameterObj.put("column", dataxPluginPojo.getColumns());
-//
+
+        //判断是否有where
+        if (extraParams.containsKey("where")) {
+            parameterObj.put("where", extraParams.get("where"));
+        }
+
         Map<String, Object> connectionObj = Maps.newLinkedHashMap();
         connectionObj.put("table", dataxPluginPojo.getTables());
-        //where
-//        connectionObj.put("where", "1=1");
+
+//        logger.info(extraParams.toString());
         connectionObj.put("jdbcUrl", ImmutableList.of(jobJdbcDatasource.getJdbcUrl()));
 
         parameterObj.put("connection", ImmutableList.of(connectionObj));
diff --git a/datax-web/src/test/java/com/wugui/tool/datax/DataxJsonHelperTest.java b/datax-web/src/test/java/com/wugui/tool/datax/DataxJsonHelperTest.java
index 796b7a28..6bfe3a08 100644
--- a/datax-web/src/test/java/com/wugui/tool/datax/DataxJsonHelperTest.java
+++ b/datax-web/src/test/java/com/wugui/tool/datax/DataxJsonHelperTest.java
@@ -68,6 +68,7 @@ public class DataxJsonHelperTest {
     public void buildReader() {
         DataxJsonHelper dataxJsonHelper = new DataxJsonHelper();
         dataxJsonHelper.initReader(getReaderDatasource(), ImmutableList.of("datax_plugin"), ImmutableList.of("id"));
+//        dataxJsonHelper.addWhereParams("1=1");
         Map<String, Object> reader = dataxJsonHelper.buildReader();
         System.out.println(JSONUtils.formatJson(reader));
     }