diff --git a/src/main/java/com/dsideal/base/DataEase/Controller/DataEaseController.java b/src/main/java/com/dsideal/base/DataEase/Controller/DataEaseController.java
index f38c7a22..4a302deb 100644
--- a/src/main/java/com/dsideal/base/DataEase/Controller/DataEaseController.java
+++ b/src/main/java/com/dsideal/base/DataEase/Controller/DataEaseController.java
@@ -19,6 +19,7 @@ import io.github.yedaxia.apidocs.ApiDoc;
 import net.sf.json.JSONArray;
 import net.sf.json.JSONObject;
 
+import java.io.IOException;
 import java.util.List;
 
 public class DataEaseController extends Controller {
@@ -128,7 +129,7 @@ public class DataEaseController extends Controller {
     @Before(GET.class)
     @IsLoginInterface({})
     @IsNumericInterface({"id"})
-    public void downloadExcel(int id) {
+    public void downloadExcel(int id) throws IOException {
         //根据当前登录人员的身份，获取对应的数据集名称
         int identity_id = Integer.parseInt(CookieUtil.getValue(getRequest(), "identity_id"));
         String person_id = CookieUtil.getValue(getRequest(), "person_id");
@@ -138,18 +139,11 @@ public class DataEaseController extends Controller {
         //根据区域码，获取区域名称
         String area_name = rm.getAreaName(area_code);
         Record record = dm.getDataSetById(id);
-        String table_name = record.getStr("table_name");
+        String tableName = record.getStr("table_name");
         String dataSetName = record.getStr("dataset_name");
-
-        switch (identity_id) {
-            case 1:
-                break;
-            case 2:
-                break;
-            case 3:
-                break;
-        }
-
+        String tempDir = System.getProperty("java.io.tmpdir");
+        //导出excel
+        dm.exportExcel(identity_id, tableName, dataSetName, tempDir, area_name);
     }
 
     /**
diff --git a/src/main/java/com/dsideal/base/DataEase/Model/DataEaseModel.java b/src/main/java/com/dsideal/base/DataEase/Model/DataEaseModel.java
index d17590f5..8614bd79 100644
--- a/src/main/java/com/dsideal/base/DataEase/Model/DataEaseModel.java
+++ b/src/main/java/com/dsideal/base/DataEase/Model/DataEaseModel.java
@@ -1,6 +1,7 @@
 package com.dsideal.base.DataEase.Model;
 
 import com.dsideal.base.Util.ExcelCommonUtil;
+import com.dsideal.base.Util.FileUtil;
 import com.jfinal.kit.Kv;
 import com.jfinal.plugin.activerecord.Db;
 import com.jfinal.plugin.activerecord.Record;
@@ -8,6 +9,7 @@ import com.jfinal.plugin.activerecord.SqlPara;
 import net.sf.json.JSONArray;
 import net.sf.json.JSONObject;
 
+import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
@@ -334,6 +336,7 @@ public class DataEaseModel {
 
     /**
      * 导出Excel
+     *
      * @param identity_id
      * @param tableName
      * @param dataSetName
@@ -349,6 +352,12 @@ public class DataEaseModel {
         }
         List<Record> tableData = Db.use(DataEaseModel.DB_NAME).find(sql);
         String excelFileName = "【" + area_name + "】" + dataSetName + ".xlsx";
-        ExcelCommonUtil.writeExcel(tableData, exportPath + "/" + excelFileName, true);
+        String filePath = exportPath + excelFileName;
+        if (new File(filePath).exists()) {
+            //删除
+            new File(filePath).delete();
+        }
+        //导出
+        ExcelCommonUtil.writeExcel(tableData, filePath, true);
     }
 }