diff --git a/pom.xml b/pom.xml
index a271035..21f361b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,8 +24,13 @@
     <description>Demo project for Spring Boot</description>
     <packaging>pom</packaging>
     <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.8</java.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+        <mapper.version>4.0.0</mapper.version>
+        <mybatisGenerator.version>1.3.7</mybatisGenerator.version>
+        <mysql.version>5.1.47</mysql.version>
+        <springboot.version>2.1.7.RELEASE</springboot.version>
         <tomcat.version>8.5.37</tomcat.version>
     </properties>
 
@@ -35,7 +40,7 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-dependencies</artifactId>
-                <version>2.1.7.RELEASE</version>
+                <version>${springboot.version}</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -43,52 +48,42 @@
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-devtools</artifactId>
-                <version>2.1.7.RELEASE</version>
+                <version>${springboot.version}</version>
                 <scope>runtime</scope>
                 <optional>true</optional>
             </dependency>
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-starter-web</artifactId>
-                <version>2.1.7.RELEASE</version>
+                <version>${springboot.version}</version>
             </dependency>
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-starter-test</artifactId>
-                <version>2.1.7.RELEASE</version>
+                <version>${springboot.version}</version>
                 <scope>test</scope>
             </dependency>
 
             <dependency>
                 <groupId>org.mybatis.generator</groupId>
                 <artifactId>mybatis-generator-core</artifactId>
-                <version>1.3.7</version>
+                <version>${mybatisGenerator.version}</version>
             </dependency>
 
-            <dependency>
-                <groupId>com.github.pagehelper</groupId>
-                <artifactId>pagehelper</artifactId>
-                <version>5.1.10</version>
-            </dependency>
-
-
+            <!-- https://mvnrepository.com/artifact/tk.mybatis/mapper -->
             <dependency>
                 <groupId>tk.mybatis</groupId>
                 <artifactId>mapper</artifactId>
-                <version>4.0.0</version>
+                <version>${mapper.version}</version>
             </dependency>
 
+            <!-- https://mvnrepository.com/artifact/tk.mybatis/mapper-spring-boot-starter -->
             <dependency>
                 <groupId>tk.mybatis</groupId>
                 <artifactId>mapper-spring-boot-starter</artifactId>
                 <version>2.1.5</version>
             </dependency>
 
-            <dependency>
-                <groupId>org.apache.poi</groupId>
-                <artifactId>poi</artifactId>
-                <version>3.9</version>
-            </dependency>
             <dependency>
                 <groupId>org.apache.poi</groupId>
                 <artifactId>poi-ooxml</artifactId>
@@ -128,31 +123,29 @@
                         <groupId>com.google.guava</groupId>
                         <artifactId>guava</artifactId>
                     </exclusion>
+                    <exclusion>
+                        <groupId>org.hdrhistogram</groupId>
+                        <artifactId>HdrHistogram</artifactId>
+                    </exclusion>
                 </exclusions>
             </dependency>
 
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-starter-thymeleaf</artifactId>
-                <version>2.1.7.RELEASE</version>
+                <version>${springboot.version}</version>
             </dependency>
 
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-starter-actuator</artifactId>
-                <version>2.1.7.RELEASE</version>
-            </dependency>
-
-            <dependency>
-                <groupId>org.springframework.data</groupId>
-                <artifactId>spring-data-redis</artifactId>
-                <version>2.1.10.RELEASE</version>
+                <version>${springboot.version}</version>
             </dependency>
 
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-starter-data-redis</artifactId>
-                <version>2.1.7.RELEASE</version>
+                <version>${springboot.version}</version>
             </dependency>
 
             <dependency>
@@ -164,13 +157,13 @@
             <dependency>
                 <groupId>mysql</groupId>
                 <artifactId>mysql-connector-java</artifactId>
-                <version>5.1.47</version>
+                <version>${mysql.version}</version>
             </dependency>
 
             <dependency>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-starter-aop</artifactId>
-                <version>2.1.7.RELEASE</version>
+                <version>${springboot.version}</version>
             </dependency>
 
             <dependency>
@@ -202,11 +195,98 @@
                 <version>28.0-jre</version>
             </dependency>
 
+            <!-- admin 模块独立引用-->
+            <dependency>
+                <groupId>io.jsonwebtoken</groupId>
+                <artifactId>jjwt</artifactId>
+                <version>0.9.1</version>
+            </dependency>
+            <dependency>
+                <groupId>commons-io</groupId>
+                <artifactId>commons-io</artifactId>
+                <version>2.6</version>
+            </dependency>
+
+            <!-- commons 模块独立引用-->
+            <dependency>
+                <groupId>org.codehaus.groovy</groupId>
+                <artifactId>groovy-all</artifactId>
+                <version>2.4.6</version>
+            </dependency>
+            <dependency>
+                <groupId>commons-lang</groupId>
+                <artifactId>commons-lang</artifactId>
+                <version>2.6</version>
+            </dependency>
+
+            <!-- dal 模块独立引用
+            （升级项目时请注意此处版本冲突，
+            mapper-spring-boot-starter、
+             mybatis-spring-boot-starter 引入的pagehelper-spring-boot-starter 均引入此包）-->
+            <dependency>
+                <groupId>org.mybatis</groupId>
+                <artifactId>mybatis</artifactId>
+                <version>3.4.6</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
     <build>
-
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.springframework.boot</groupId>
+                    <artifactId>spring-boot-maven-plugin</artifactId>
+                    <version>${springboot.version}</version>
+                    <executions>
+                        <execution>
+                            <goals>
+                                <goal>repackage</goal>
+                            </goals>
+                        </execution>
+                    </executions>
+                </plugin>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>3.5.1</version>
+                    <configuration>
+                        <source>1.8</source>
+                        <target>1.8</target>
+                        <encoding>UTF-8</encoding>
+                    </configuration>
+                </plugin>
+                <plugin>
+                    <groupId>org.mybatis.generator</groupId>
+                    <artifactId>mybatis-generator-maven-plugin</artifactId>
+                    <version>${mybatisGenerator.version}</version>
+                    <configuration>
+                        <configurationFile>
+                            ${basedir}/src/main/resources/generator/generatorConfig.xml
+                        </configurationFile>
+                        <overwrite>true</overwrite>
+                        <verbose>true</verbose>
+                    </configuration>
+                    <dependencies>
+                        <dependency>
+                            <groupId>mysql</groupId>
+                            <artifactId>mysql-connector-java</artifactId>
+                            <version>${mysql.version}</version>
+                        </dependency>
+                        <dependency>
+                            <groupId>tk.mybatis</groupId>
+                            <artifactId>mapper</artifactId>
+                            <version>${mapper.version}</version>
+                        </dependency>
+                        <dependency>
+                            <groupId>com.pgmmers</groupId>
+                            <artifactId>radar-commons</artifactId>
+                            <version>${project.version}</version>
+                        </dependency>
+                    </dependencies>
+                </plugin>
+            </plugins>
+        </pluginManagement>
     </build>
 
 </project>
diff --git a/radar-admin/pom.xml b/radar-admin/pom.xml
index ae098b7..297e842 100644
--- a/radar-admin/pom.xml
+++ b/radar-admin/pom.xml
@@ -21,10 +21,6 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-jdbc</artifactId>
-        </dependency>
 
         <dependency>
             <groupId>mysql</groupId>
@@ -33,43 +29,21 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
-            <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>druid-spring-boot-starter</artifactId>
         </dependency>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-        </dependency>
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>2.6</version>
         </dependency>
 
-        <!-- https://mvnrepository.com/artifact/tk.mybatis/mapper -->
-        <dependency>
-            <groupId>tk.mybatis</groupId>
-            <artifactId>mapper</artifactId>
-        </dependency>
-        <!-- https://mvnrepository.com/artifact/tk.mybatis/mapper-spring-boot-starter -->
         <dependency>
             <groupId>tk.mybatis</groupId>
             <artifactId>mapper-spring-boot-starter</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>com.alibaba</groupId>
-            <artifactId>fastjson</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-        </dependency>
-
         <!-- ThymeLeaf 依赖 -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -79,60 +53,28 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-actuator</artifactId>
         </dependency>
-        <dependency>
-            <groupId>com.pgmmers</groupId>
-            <artifactId>radar-service</artifactId>
-            <version>${project.version}</version>
-        </dependency>
         <dependency>
             <groupId>com.pgmmers</groupId>
             <artifactId>radar-service-impl</artifactId>
             <version>${project.version}</version>
         </dependency>
 
-        <dependency>
-            <groupId>com.github.pagehelper</groupId>
-            <artifactId>pagehelper-spring-boot-starter</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>com.github.pagehelper</groupId>
-            <artifactId>pagehelper</artifactId>
-        </dependency>
-
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-redis</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.data</groupId>
-            <artifactId>spring-data-redis</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-cache</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-aop</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>io.springfox</groupId>
-            <artifactId>springfox-swagger2</artifactId>
-        </dependency>
         <dependency>
             <groupId>io.springfox</groupId>
             <artifactId>springfox-swagger-ui</artifactId>
         </dependency>
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-        </dependency>
         <dependency>
             <groupId>io.jsonwebtoken</groupId>
             <artifactId>jjwt</artifactId>
-            <version>0.9.1</version>
         </dependency>
     </dependencies>
 
@@ -142,14 +84,6 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
-                <version>2.1.7.RELEASE</version>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>repackage</goal>
-                        </goals>
-                    </execution>
-                </executions>
             </plugin>
         </plugins>
     </build>
diff --git a/radar-commons/pom.xml b/radar-commons/pom.xml
index 56373f9..d135a00 100644
--- a/radar-commons/pom.xml
+++ b/radar-commons/pom.xml
@@ -21,10 +21,6 @@
             <groupId>org.springframework</groupId>
             <artifactId>spring-context-support</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.apache.poi</groupId>
-            <artifactId>poi</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi-ooxml</artifactId>
@@ -33,32 +29,27 @@
         <dependency>
             <groupId>org.mybatis.generator</groupId>
             <artifactId>mybatis-generator-core</artifactId>
-            <version>1.3.7</version>
         </dependency>
 
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
             <artifactId>groovy-all</artifactId>
-            <version>2.4.6</version>
         </dependency>
 
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.9</version>
         </dependency>
 
         <dependency>
             <groupId>commons-lang</groupId>
             <artifactId>commons-lang</artifactId>
-            <version>2.6</version>
         </dependency>
 
 
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
         </dependency>
     </dependencies>
 
@@ -67,12 +58,6 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.5.1</version>
-                <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
-                    <encoding>UTF-8</encoding>
-                </configuration>
             </plugin>
         </plugins>
     </build>
diff --git a/radar-dal/pom.xml b/radar-dal/pom.xml
index 9a64c0f..e6aca35 100644
--- a/radar-dal/pom.xml
+++ b/radar-dal/pom.xml
@@ -18,23 +18,10 @@
             <artifactId>radar-dao</artifactId>
             <version>${project.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter</artifactId>
-        </dependency>
 
-        <dependency>
-            <groupId>org.mybatis</groupId>
-            <artifactId>mybatis</artifactId>
-            <version>3.4.6</version>
-        </dependency>
-        <dependency>
-            <groupId>tk.mybatis</groupId>
-            <artifactId>mapper</artifactId>
-        </dependency>
         <dependency>
             <groupId>com.github.pagehelper</groupId>
-            <artifactId>pagehelper</artifactId>
+            <artifactId>pagehelper-spring-boot-starter</artifactId>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
@@ -44,18 +31,11 @@
     </dependencies>
 
 
-
     <build>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.5.1</version>
-                <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
-                    <encoding>UTF-8</encoding>
-                </configuration>
             </plugin>
         </plugins>
     </build>
diff --git a/radar-dao/pom.xml b/radar-dao/pom.xml
index 685b38e..05d8947 100644
--- a/radar-dao/pom.xml
+++ b/radar-dao/pom.xml
@@ -28,16 +28,9 @@
             <version>${project.version}</version>
         </dependency>
 
-        <dependency>
-            <groupId>org.mybatis.generator</groupId>
-            <artifactId>mybatis-generator-core</artifactId>
-            <version>1.3.7</version>
-        </dependency>
-
         <dependency>
             <groupId>tk.mybatis</groupId>
             <artifactId>mapper</artifactId>
-            <version>4.0.0</version>
         </dependency>
     </dependencies>
 
@@ -46,42 +39,11 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.5.1</version>
-                <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
-                    <encoding>UTF-8</encoding>
-                </configuration>
             </plugin>
 
             <plugin>
                 <groupId>org.mybatis.generator</groupId>
                 <artifactId>mybatis-generator-maven-plugin</artifactId>
-                <version>1.3.6</version>
-                <configuration>
-                    <configurationFile>
-                        ${basedir}/src/main/resources/generator/generatorConfig.xml
-                    </configurationFile>
-                    <overwrite>true</overwrite>
-                    <verbose>true</verbose>
-                </configuration>
-                <dependencies>
-                    <dependency>
-                        <groupId>mysql</groupId>
-                        <artifactId>mysql-connector-java</artifactId>
-                        <version>5.1.47</version>
-                    </dependency>
-                    <dependency>
-                        <groupId>tk.mybatis</groupId>
-                        <artifactId>mapper</artifactId>
-                        <version>4.0.0</version>
-                    </dependency>
-                    <dependency>
-                        <groupId>com.pgmmers</groupId>
-                        <artifactId>radar-commons</artifactId>
-                        <version>${project.version}</version>
-                    </dependency>
-                </dependencies>
             </plugin>
 
 
diff --git a/radar-engine/pom.xml b/radar-engine/pom.xml
index 1be15ab..92ccb41 100644
--- a/radar-engine/pom.xml
+++ b/radar-engine/pom.xml
@@ -27,11 +27,6 @@
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter</artifactId>
-        </dependency>
-
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
@@ -42,12 +37,6 @@
             <artifactId>spring-boot-starter-actuator</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>com.pgmmers</groupId>
-            <artifactId>radar-service</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-
         <dependency>
             <groupId>com.pgmmers</groupId>
             <artifactId>radar-service-impl</artifactId>
@@ -64,44 +53,21 @@
             <artifactId>mysql-connector-java</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>tk.mybatis</groupId>
-            <artifactId>mapper</artifactId>
-        </dependency>
-
         <dependency>
             <groupId>tk.mybatis</groupId>
             <artifactId>mapper-spring-boot-starter</artifactId>
         </dependency>
 
 
-        <dependency>
-            <groupId>org.springframework.data</groupId>
-            <artifactId>spring-data-redis</artifactId>
-        </dependency>
-
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-redis</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>io.springfox</groupId>
-            <artifactId>springfox-swagger2</artifactId>
-        </dependency>
         <dependency>
             <groupId>io.springfox</groupId>
             <artifactId>springfox-swagger-ui</artifactId>
         </dependency>
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-        </dependency>
 
     </dependencies>
 
@@ -111,14 +77,6 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
-                <version>2.1.7.RELEASE</version>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>repackage</goal>
-                        </goals>
-                    </execution>
-                </executions>
             </plugin>
         </plugins>
     </build>
diff --git a/radar-service-impl/pom.xml b/radar-service-impl/pom.xml
index aa2c500..e8c6178 100644
--- a/radar-service-impl/pom.xml
+++ b/radar-service-impl/pom.xml
@@ -13,29 +13,14 @@
 
     <dependencies>
 
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-context-support</artifactId>
-        </dependency>
-
         <dependency>
             <groupId>org.mongodb</groupId>
             <artifactId>mongo-java-driver</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>com.alibaba</groupId>
-            <artifactId>fastjson</artifactId>
-        </dependency>
-
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.9</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
         </dependency>
         <dependency>
             <groupId>com.pgmmers</groupId>
@@ -57,10 +42,6 @@
             <artifactId>ip2region</artifactId>
         </dependency>
 
-        <dependency>
-            <groupId>org.elasticsearch</groupId>
-            <artifactId>elasticsearch</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
diff --git a/radar-service/pom.xml b/radar-service/pom.xml
index 06c42f3..7306667 100644
--- a/radar-service/pom.xml
+++ b/radar-service/pom.xml
@@ -19,10 +19,6 @@
     </properties>
 
     <dependencies>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-        </dependency>
         <dependency>
             <groupId>com.pgmmers</groupId>
             <artifactId>radar-dal</artifactId>