diff --git a/doc/XXL-JOB官方文档.md b/doc/XXL-JOB官方文档.md
index 38f85b4a..5af3ab5a 100644
--- a/doc/XXL-JOB官方文档.md
+++ b/doc/XXL-JOB官方文档.md
@@ -1686,7 +1686,7 @@ public ReturnT<String> execute(String param) {
 - 注意：最新版本 "XxlJobSpringExecutor" 逻辑有调整，历史项目中该组件的配置方式请参考Sample示例项目进行调整，尤其注意需要移除组件的init和destroy方法；
 
 ### 6.28 版本 v2.2.0 Release Notes[迭代中]
-- 1、[迭代中]调度中心升级springboot2.x；因此，系统要求JDK8+；
+- 1、调度中心升级springboot2.x；因此，系统要求JDK8+；
 - 2、执行器注册默认值优化；
 - 3、SQL脚本编码默认utf8mb4执行，避免小概率下容器环境中乱码问题；
 
diff --git a/pom.xml b/pom.xml
index 741c73dc..75be0a0f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,142 +1,143 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<groupId>com.xuxueli</groupId>
-	<artifactId>xxl-job</artifactId>
-	<version>2.2.0-SNAPSHOT</version>
-	<packaging>pom</packaging>
-
-	<name>${project.artifactId}</name>
-	<description>A distributed task scheduling framework.</description>
-	<url>https://www.xuxueli.com/</url>
-
-	<modules>
-		<module>xxl-job-core</module>
-		<module>xxl-job-admin</module>
-		<module>xxl-job-executor-samples</module>
-    </modules>
-
-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<maven.compiler.encoding>UTF-8</maven.compiler.encoding>
-		<maven.compiler.source>1.7</maven.compiler.source>
-		<maven.compiler.target>1.7</maven.compiler.target>
-		<maven.test.skip>true</maven.test.skip>
-
-		<xxl-rpc.version>1.5.0</xxl-rpc.version>
-
-		<spring.version>4.3.25.RELEASE</spring.version>
-		<spring-boot.version>1.5.22.RELEASE</spring-boot.version>
-		<mybatis-spring-boot-starter.version>1.3.5</mybatis-spring-boot-starter.version>
-		<mysql-connector-java.version>5.1.48</mysql-connector-java.version>
-
-		<slf4j-api.version>1.7.29</slf4j-api.version>
-		<junit.version>4.12</junit.version>
-
-		<groovy.version>2.5.8</groovy.version>
-
-		<maven-source-plugin.version>3.2.0</maven-source-plugin.version>
-		<maven-javadoc-plugin.version>3.1.1</maven-javadoc-plugin.version>
-		<maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
-		<maven-war-plugin.version>3.2.3</maven-war-plugin.version>
-	</properties>
-
-	<build>
-		<plugins>
-		</plugins>
-	</build>
-
-
-	<licenses>
-		<license>
-			<name>GNU General Public License version 3</name>
-			<url>https://opensource.org/licenses/GPL-3.0</url>
-		</license>
-	</licenses>
-
-	<scm>
-		<tag>master</tag>
-		<url>https://github.com/xuxueli/xxl-job.git</url>
-		<connection>scm:git:https://github.com/xuxueli/xxl-job.git</connection>
-		<developerConnection>scm:git:git@github.com:xuxueli/xxl-job.git</developerConnection>
-	</scm>
-	<developers>
-		<developer>
-			<id>XXL</id>
-			<name>xuxueli</name>
-			<email>931591021@qq.com</email>
-			<url>https://github.com/xuxueli</url>
-		</developer>
-	</developers>
-
-	<profiles>
-
-		<profile>
-			<id>release</id>
-			<build>
-				<plugins>
-					<!-- Source -->
-					<plugin>
-						<groupId>org.apache.maven.plugins</groupId>
-						<artifactId>maven-source-plugin</artifactId>
-						<version>${maven-source-plugin.version}</version>
-						<executions>
-							<execution>
-								<phase>package</phase>
-								<goals>
-									<goal>jar-no-fork</goal>
-								</goals>
-							</execution>
-						</executions>
-					</plugin>
-					<!-- Javadoc -->
-					<plugin>
-						<groupId>org.apache.maven.plugins</groupId>
-						<artifactId>maven-javadoc-plugin</artifactId>
-						<version>${maven-javadoc-plugin.version}</version>
-						<executions>
-							<execution>
-								<phase>package</phase>
-								<goals>
-									<goal>jar</goal>
-								</goals>
-								<configuration>
-									<doclint>none</doclint>
-								</configuration>
-							</execution>
-						</executions>
-					</plugin>
-					<!-- GPG -->
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-gpg-plugin</artifactId>
-                        <version>${maven-gpg-plugin.version}</version>
-						<configuration>
-							<useAgent>false</useAgent>
-						</configuration>
-                        <executions>
-                            <execution>
-                                <phase>verify</phase>
-                                <goals>
-                                    <goal>sign</goal>
-                                </goals>
-                            </execution>
-                        </executions>
-                    </plugin>
-				</plugins>
-			</build>
-			<distributionManagement>
-				<snapshotRepository>
-					<id>oss</id>
-					<url>https://oss.sonatype.org/content/repositories/snapshots/</url>
-				</snapshotRepository>
-				<repository>
-					<id>oss</id>
-					<url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
-				</repository>
-			</distributionManagement>
-		</profile>
-	</profiles>
-
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>com.xuxueli</groupId>
+	<artifactId>xxl-job</artifactId>
+	<version>2.2.0-SNAPSHOT</version>
+	<packaging>pom</packaging>
+
+	<name>${project.artifactId}</name>
+	<description>A distributed task scheduling framework.</description>
+	<url>https://www.xuxueli.com/</url>
+
+	<modules>
+		<module>xxl-job-core</module>
+		<module>xxl-job-admin</module>
+		<module>xxl-job-executor-samples</module>
+    </modules>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+		<maven.compiler.encoding>UTF-8</maven.compiler.encoding>
+		<maven.compiler.source>1.7</maven.compiler.source>
+		<maven.compiler.target>1.7</maven.compiler.target>
+		<maven.test.skip>true</maven.test.skip>
+
+		<xxl-rpc.version>1.5.0</xxl-rpc.version>
+
+		<spring.version>5.0.7.RELEASE</spring.version>
+		<spring-boot.version>2.0.4.RELEASE</spring-boot.version>
+		<mybatis-spring-boot-starter.version>1.3.5</mybatis-spring-boot-starter.version>
+		<tomcat-jdbc.version>8.5.43</tomcat-jdbc.version>
+		<mysql-connector-java.version>5.1.48</mysql-connector-java.version>
+
+		<slf4j-api.version>1.7.29</slf4j-api.version>
+		<junit.version>4.12</junit.version>
+
+		<groovy.version>2.5.8</groovy.version>
+
+		<maven-source-plugin.version>3.2.0</maven-source-plugin.version>
+		<maven-javadoc-plugin.version>3.1.1</maven-javadoc-plugin.version>
+		<maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
+		<maven-war-plugin.version>3.2.3</maven-war-plugin.version>
+	</properties>
+
+	<build>
+		<plugins>
+		</plugins>
+	</build>
+
+
+	<licenses>
+		<license>
+			<name>GNU General Public License version 3</name>
+			<url>https://opensource.org/licenses/GPL-3.0</url>
+		</license>
+	</licenses>
+
+	<scm>
+		<tag>master</tag>
+		<url>https://github.com/xuxueli/xxl-job.git</url>
+		<connection>scm:git:https://github.com/xuxueli/xxl-job.git</connection>
+		<developerConnection>scm:git:git@github.com:xuxueli/xxl-job.git</developerConnection>
+	</scm>
+	<developers>
+		<developer>
+			<id>XXL</id>
+			<name>xuxueli</name>
+			<email>931591021@qq.com</email>
+			<url>https://github.com/xuxueli</url>
+		</developer>
+	</developers>
+
+	<profiles>
+
+		<profile>
+			<id>release</id>
+			<build>
+				<plugins>
+					<!-- Source -->
+					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
+						<artifactId>maven-source-plugin</artifactId>
+						<version>${maven-source-plugin.version}</version>
+						<executions>
+							<execution>
+								<phase>package</phase>
+								<goals>
+									<goal>jar-no-fork</goal>
+								</goals>
+							</execution>
+						</executions>
+					</plugin>
+					<!-- Javadoc -->
+					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
+						<artifactId>maven-javadoc-plugin</artifactId>
+						<version>${maven-javadoc-plugin.version}</version>
+						<executions>
+							<execution>
+								<phase>package</phase>
+								<goals>
+									<goal>jar</goal>
+								</goals>
+								<configuration>
+									<doclint>none</doclint>
+								</configuration>
+							</execution>
+						</executions>
+					</plugin>
+					<!-- GPG -->
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <version>${maven-gpg-plugin.version}</version>
+						<configuration>
+							<useAgent>false</useAgent>
+						</configuration>
+                        <executions>
+                            <execution>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+				</plugins>
+			</build>
+			<distributionManagement>
+				<snapshotRepository>
+					<id>oss</id>
+					<url>https://oss.sonatype.org/content/repositories/snapshots/</url>
+				</snapshotRepository>
+				<repository>
+					<id>oss</id>
+					<url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+				</repository>
+			</distributionManagement>
+		</profile>
+	</profiles>
+
 </project>
\ No newline at end of file
diff --git a/xxl-job-admin/pom.xml b/xxl-job-admin/pom.xml
index da1c725d..880a7a26 100644
--- a/xxl-job-admin/pom.xml
+++ b/xxl-job-admin/pom.xml
@@ -1,113 +1,119 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<parent>
-		<groupId>com.xuxueli</groupId>
-		<artifactId>xxl-job</artifactId>
-		<version>2.2.0-SNAPSHOT</version>
-	</parent>
-	<artifactId>xxl-job-admin</artifactId>
-	<packaging>jar</packaging>
-
-	<dependencyManagement>
-		<dependencies>
-			<dependency>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-starter-parent</artifactId>
-				<version>${spring-boot.version}</version>
-				<type>pom</type>
-				<scope>import</scope>
-			</dependency>
-		</dependencies>
-	</dependencyManagement>
-
-	<dependencies>
-
-		<!-- starter-web：spring-webmvc + autoconfigure + logback + yaml + tomcat -->
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-web</artifactId>
-		</dependency>
-		<!-- starter-test：junit + spring-test + mockito -->
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-test</artifactId>
-			<scope>test</scope>
-		</dependency>
-
-		<!-- freemarker-starter -->
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-freemarker</artifactId>
-		</dependency>
-
-		<!-- mail-starter -->
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-mail</artifactId>
-		</dependency>
-
-		<!-- starter-actuator -->
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-actuator</artifactId>
-		</dependency>
-
-		<!-- mybatis-starter：mybatis + mybatis-spring + tomcat-jdbc（default） -->
-		<dependency>
-			<groupId>org.mybatis.spring.boot</groupId>
-			<artifactId>mybatis-spring-boot-starter</artifactId>
-			<version>${mybatis-spring-boot-starter.version}</version>
-		</dependency>
-		<!-- mysql -->
-		<dependency>
-			<groupId>mysql</groupId>
-			<artifactId>mysql-connector-java</artifactId>
-			<version>${mysql-connector-java.version}</version>
-		</dependency>
-
-		<!-- xxl-job-core -->
-		<dependency>
-			<groupId>com.xuxueli</groupId>
-			<artifactId>xxl-job-core</artifactId>
-			<version>${project.parent.version}</version>
-		</dependency>
-
-	</dependencies>
-
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.springframework.boot</groupId>
-				<artifactId>spring-boot-maven-plugin</artifactId>
-				<version>${spring-boot.version}</version>
-				<executions>
-					<execution>
-						<goals>
-							<goal>repackage</goal>
-						</goals>
-					</execution>
-				</executions>
-			</plugin>
-			<!-- docker -->
-			<plugin>
-				<groupId>com.spotify</groupId>
-				<artifactId>docker-maven-plugin</artifactId>
-				<version>0.4.13</version>
-				<configuration>
-					<!-- made of '[a-z0-9-_.]' -->
-					<imageName>${project.artifactId}:${project.version}</imageName>
-					<dockerDirectory>${project.basedir}</dockerDirectory>
-					<resources>
-						<resource>
-							<targetPath>/</targetPath>
-							<directory>${project.build.directory}</directory>
-							<include>${project.build.finalName}.jar</include>
-						</resource>
-					</resources>
-				</configuration>
-			</plugin>
-		</plugins>
-	</build>
-
-</project>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>com.xuxueli</groupId>
+		<artifactId>xxl-job</artifactId>
+		<version>2.2.0-SNAPSHOT</version>
+	</parent>
+	<artifactId>xxl-job-admin</artifactId>
+	<packaging>jar</packaging>
+
+	<dependencyManagement>
+		<dependencies>
+			<dependency>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-starter-parent</artifactId>
+				<version>${spring-boot.version}</version>
+				<type>pom</type>
+				<scope>import</scope>
+			</dependency>
+		</dependencies>
+	</dependencyManagement>
+
+	<dependencies>
+
+		<!-- starter-web：spring-webmvc + autoconfigure + logback + yaml + tomcat -->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+		<!-- starter-test：junit + spring-test + mockito -->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+
+		<!-- freemarker-starter -->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-freemarker</artifactId>
+		</dependency>
+
+		<!-- mail-starter -->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-mail</artifactId>
+		</dependency>
+
+		<!-- starter-actuator -->
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-actuator</artifactId>
+		</dependency>
+
+		<!-- mybatis-starter：mybatis + mybatis-spring + tomcat-jdbc（default） -->
+		<dependency>
+			<groupId>org.mybatis.spring.boot</groupId>
+			<artifactId>mybatis-spring-boot-starter</artifactId>
+			<version>${mybatis-spring-boot-starter.version}</version>
+		</dependency>
+		<!-- tomcat-jdbc -->
+		<dependency>
+			<groupId>org.apache.tomcat</groupId>
+			<artifactId>tomcat-jdbc</artifactId>
+			<version>${tomcat-jdbc.version}</version>
+		</dependency>
+		<!-- mysql -->
+		<dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+			<version>${mysql-connector-java.version}</version>
+		</dependency>
+
+		<!-- xxl-job-core -->
+		<dependency>
+			<groupId>com.xuxueli</groupId>
+			<artifactId>xxl-job-core</artifactId>
+			<version>${project.parent.version}</version>
+		</dependency>
+
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+				<version>${spring-boot.version}</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>repackage</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+			<!-- docker -->
+			<plugin>
+				<groupId>com.spotify</groupId>
+				<artifactId>docker-maven-plugin</artifactId>
+				<version>0.4.13</version>
+				<configuration>
+					<!-- made of '[a-z0-9-_.]' -->
+					<imageName>${project.artifactId}:${project.version}</imageName>
+					<dockerDirectory>${project.basedir}</dockerDirectory>
+					<resources>
+						<resource>
+							<targetPath>/</targetPath>
+							<directory>${project.build.directory}</directory>
+							<include>${project.build.finalName}.jar</include>
+						</resource>
+					</resources>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>
diff --git a/xxl-job-admin/src/main/resources/application.properties b/xxl-job-admin/src/main/resources/application.properties
index a8c66b41..b5312c42 100644
--- a/xxl-job-admin/src/main/resources/application.properties
+++ b/xxl-job-admin/src/main/resources/application.properties
@@ -1,9 +1,9 @@
 ### web
 server.port=8080
-server.context-path=/xxl-job-admin
+server.servlet.context-path=/xxl-job-admin
 
 ### actuator
-management.context-path=/actuator
+management.server.servlet.context-path=/actuator
 management.health.mail.enabled=false
 
 ### resources