优化

src/main/java/com/jingcheng/cms/controller/EmployeeController.java

@@ -142,9 +142,7 @@ public class EmployeeController {
         System.out.println("filePath: "+filePath);
         //保存文件
         File dest = new File(filePath);
-        if (!(dest.exists())) {
-            file.transferTo(dest);
-        }
+        file.transferTo(dest);
         return  "http://localhost:8888/upload/" + realFileName;
     }
 }