diff --git a/pom.xml b/pom.xml
index 0ce1cab4b3cacfd0f58b32d4e3070da0968b4000..1d5b3dbea0828eaa7698c6ecc5afd811306d19a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,17 +18,26 @@
     <properties>
         <java.version>11</java.version>
 
+        <!-- service version -->
         <schbrain-dubbo.version>1.0.0-SNAPSHOT</schbrain-dubbo.version>
         <schbrain-mybatis.version>1.0.0-SNAPSHOT</schbrain-mybatis.version>
         <schbrain-common.version>1.0.0-SNAPSHOT</schbrain-common.version>
 
+        <!-- fastjson 被 aliyun 系列 sdk 强依赖,所以定在父 pom,方便统一进行版本管理,方便快速响应 bug 版本升级 -->
+        <fastjson.version>1.2.78</fastjson.version>
         <guava.version>31.0.1-jre</guava.version>
         <hutool.version>5.7.15</hutool.version>
 
-        <dubbo.version>2.7.14</dubbo.version>
+        <!-- database related -->
         <mybatis-plus.version>3.4.3.4</mybatis-plus.version>
+
+        <!-- dubbo related -->
+        <dubbo.version>2.7.14</dubbo.version>
         <curator.version>5.2.0</curator.version>
         <zookeeper.version>3.7.0</zookeeper.version>
+
+        <!-- maven plugins -->
+        <flatten-maven-plugin.version>1.2.7</flatten-maven-plugin.version>
     </properties>
 
     <dependencyManagement>
@@ -62,6 +71,11 @@
                 <artifactId>guava</artifactId>
                 <version>${guava.version}</version>
             </dependency>
+            <dependency>
+                <groupId>com.alibaba</groupId>
+                <artifactId>fastjson</artifactId>
+                <version>${fastjson.version}</version>
+            </dependency>
             <!-- dubbo -->
             <dependency>
                 <groupId>org.apache.dubbo</groupId>
@@ -118,6 +132,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>flatten-maven-plugin</artifactId>
+                <version>${flatten-maven-plugin.version}</version>
                 <executions>
                     <execution>
                         <id>flatten</id>