diff --git a/backend/microservice-provider-test-8011/pom.xml b/backend/microservice-provider-test-8011/pom.xml
index 87550d6..f6e4ffa 100644
--- a/backend/microservice-provider-test-8011/pom.xml
+++ b/backend/microservice-provider-test-8011/pom.xml
@@ -31,25 +31,6 @@
         <dependency>
             <groupId>com.alibaba.cloud</groupId>
             <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
-            <exclusions>
-                <exclusion>
-                    <artifactId>jackson-core</artifactId>
-                    <groupId>com.fasterxml.jackson.core</groupId>
-                </exclusion>
-            </exclusions>
-        </dependency>
-        <!-- jackson -->
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-core</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-annotations</artifactId>
         </dependency>
         <!-- logback -->
         <dependency>
diff --git a/backend/pom.xml b/backend/pom.xml
index fbcdbd0..ebfd779 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -33,7 +33,6 @@
         <mysql.version>8.0.30</mysql.version>
         <druid.version>1.2.8</druid.version>
         <!--<mybatis.spring.boot.version>2.2.2</mybatis.spring.boot.version>-->
-        <jackson.version>2.13.4</jackson.version>
     </properties>
 
     <!-- 子 module 继承之后，锁定版本 + 不用写groupId和version -->
@@ -135,23 +134,6 @@
                 <version>2.0.19</version>
             </dependency>
 
-            <!-- jackson -->
-            <dependency>
-                <groupId>com.fasterxml.jackson.core</groupId>
-                <artifactId>jackson-databind</artifactId>
-                <version>${jackson.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>com.fasterxml.jackson.core</groupId>
-                <artifactId>jackson-core</artifactId>
-                <version>${jackson.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>com.fasterxml.jackson.core</groupId>
-                <artifactId>jackson-annotations</artifactId>
-                <version>${jackson.version}</version>
-            </dependency>
-
             <!-- Log -->
             <!-- log4j -->
             <dependency>