优化代码bug

pom.xml

@@ -99,7 +99,7 @@
             <dependency>
                 <groupId>com.alibaba</groupId>
                 <artifactId>fastjson</artifactId>
-                <version>1.2.28</version>
+                <version>1.2.69</version>
             </dependency>
             <dependency>
                 <groupId>org.mybatis.spring.boot</groupId>