diff --git a/code/java/car_dealer/pom.xml b/code/java/car_dealer/pom.xml
index 5c88320..2f0cb4c 100644
--- a/code/java/car_dealer/pom.xml
+++ b/code/java/car_dealer/pom.xml
@@ -23,15 +23,12 @@
       <groupId>com.oracle</groupId>
       <artifactId>ojdbc8</artifactId>
       <version>19.3.0.0.0</version>
-      <!-- <scope>system</scope>
-      <systemPath>${project.basedir}/lib/ojdbc8.jar</systemPath> -->
     </dependency>
     <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
     <dependency>
       <groupId>javax.servlet</groupId>
-      <artifactId>javax.servlet-api</artifactId>
-      <version>4.0.1</version>
-      <scope>provided</scope>
+      <artifactId>servlet-api</artifactId>
+      <version>2.5</version>
     </dependency>
     <dependency>
       <groupId>javax.validation</groupId>
@@ -44,6 +41,26 @@
       <version>7.0.1.Final</version>
     </dependency>
 
+    <!-- jackson -->
+    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-databind</artifactId>
+      <version>2.13.4</version>
+    </dependency>
+    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-core</artifactId>
+      <version>2.13.4</version>
+    </dependency>
+    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations -->
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-annotations</artifactId>
+      <version>2.13.4</version>
+    </dependency>
+
   </dependencies>
 
   <build>
diff --git a/code/java/car_dealer/src/main/java/com/cpic/xim/car_dealer/controllers/fileupload/FileUploadController.java b/code/java/car_dealer/src/main/java/com/cpic/xim/car_dealer/controllers/fileupload/FileUploadController.java
index 2bf7d0d..1e504ba 100644
--- a/code/java/car_dealer/src/main/java/com/cpic/xim/car_dealer/controllers/fileupload/FileUploadController.java
+++ b/code/java/car_dealer/src/main/java/com/cpic/xim/car_dealer/controllers/fileupload/FileUploadController.java
@@ -2,7 +2,7 @@
  * @Author: Kane
  * @Date: 2022-09-28 15:47:02
  * @LastEditors: Kane
- * @LastEditTime: 2022-09-28 18:55:22
+ * @LastEditTime: 2022-09-28 23:04:17
  * @FilePath: \car_dealer\src\main\java\com\cpic\xim\car_dealer\controllers\fileupload\FileUploadController.java
  * @Description: 
  * 
@@ -22,7 +22,6 @@ import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.multipart.MultipartFile;
 
-
 @Controller
 public class FileUploadController
 {
@@ -38,8 +37,17 @@ public class FileUploadController
     public void uploadFile( HttpServletRequest request, HttpServletResponse response,
             MultipartFile file, Model model ) throws IllegalSelectorException, IOException
     {
+        response.setContentType( "text/json;charset=UTF-8" );
         PrintWriter writer = response.getWriter();
 
-        writer.write( file.getOriginalFilename() );
+        if ( file == null)
+        {
+            writer.write( "{\"message\":\"提交方式有误！\"}" );
+        }
+        else
+        {
+            writer.write( file.getOriginalFilename() );
+
+        }
     }
 }
diff --git a/code/java/car_dealer/src/main/webapp/WEB-INF/classes/spring.xml b/code/java/car_dealer/src/main/webapp/WEB-INF/classes/spring.xml
index 8e1b614..b41b3e7 100644
--- a/code/java/car_dealer/src/main/webapp/WEB-INF/classes/spring.xml
+++ b/code/java/car_dealer/src/main/webapp/WEB-INF/classes/spring.xml
@@ -13,9 +13,9 @@
     <mvc:annotation-driven />
     <mvc:default-servlet-handler />
 
-    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
+    <!-- <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
         <property name="prefix" value="/WEB-INF/jsp/" />
         <property name="suffix" value=".jsp" />
-    </bean>
+    </bean> -->
 
 </beans>
\ No newline at end of file