diff --git a/xxl-job-admin/Dockerfile b/xxl-job-admin/Dockerfile
index 336db09e..be431040 100644
--- a/xxl-job-admin/Dockerfile
+++ b/xxl-job-admin/Dockerfile
@@ -3,6 +3,6 @@ MAINTAINER xuxueli
 
 ENV PARAMS=""
 
-ADD target/xxl-conf-admin-*.jar /app.jar
+ADD target/xxl-job-admin-*.jar /app.jar
 
 ENTRYPOINT ["sh","-c","java -jar /app.jar $PARAMS"]
\ No newline at end of file
diff --git a/xxl-job-executor-samples/xxl-job-executor-sample-jfinal/src/main/java/com/xuxueli/executor/sample/jfinal/jobhandler/HttpJobHandler.java b/xxl-job-executor-samples/xxl-job-executor-sample-jfinal/src/main/java/com/xuxueli/executor/sample/jfinal/jobhandler/HttpJobHandler.java
index 88b36cf4..a4fa6b97 100644
--- a/xxl-job-executor-samples/xxl-job-executor-sample-jfinal/src/main/java/com/xuxueli/executor/sample/jfinal/jobhandler/HttpJobHandler.java
+++ b/xxl-job-executor-samples/xxl-job-executor-sample-jfinal/src/main/java/com/xuxueli/executor/sample/jfinal/jobhandler/HttpJobHandler.java
@@ -28,25 +28,36 @@ public class HttpJobHandler extends IJobHandler {
 		}
 
 		// httpclient
-		HttpClient httpClient = new HttpClient();
-		httpClient.setFollowRedirects(false);	// Configure HttpClient, for example:
-		httpClient.start();						// Start HttpClient
-
-		// request
-		Request request = httpClient.newRequest(param);
-		request.method(HttpMethod.GET);
-		request.timeout(5000, TimeUnit.MILLISECONDS);
-
-		// invoke
-		ContentResponse response = request.send();
-		if (response.getStatus() != HttpStatus.OK_200) {
-			XxlJobLogger.log("Http StatusCode({}) Invalid.", response.getStatus());
+		HttpClient httpClient = null;
+		try {
+			httpClient = new HttpClient();
+			httpClient.setFollowRedirects(false);	// Configure HttpClient, for example:
+			httpClient.start();						// Start HttpClient
+
+			// request
+			Request request = httpClient.newRequest(param);
+			request.method(HttpMethod.GET);
+			request.timeout(5000, TimeUnit.MILLISECONDS);
+
+			// invoke
+			ContentResponse response = request.send();
+			if (response.getStatus() != HttpStatus.OK_200) {
+				XxlJobLogger.log("Http StatusCode({}) Invalid.", response.getStatus());
+				return FAIL;
+			}
+
+			String responseMsg = response.getContentAsString();
+			XxlJobLogger.log(responseMsg);
+			return SUCCESS;
+		} catch (Exception e) {
+			XxlJobLogger.log(e);
 			return FAIL;
+		} finally {
+			if (httpClient != null) {
+				httpClient.stop();
+			}
 		}
 
-		String responseMsg = response.getContentAsString();
-		XxlJobLogger.log(responseMsg);
-		return SUCCESS;
 	}
 
 }
diff --git a/xxl-job-executor-samples/xxl-job-executor-sample-nutz/src/main/java/com/xuxueli/executor/sample/nutz/jobhandler/HttpJobHandler.java b/xxl-job-executor-samples/xxl-job-executor-sample-nutz/src/main/java/com/xuxueli/executor/sample/nutz/jobhandler/HttpJobHandler.java
index 45d2268e..615bbd88 100644
--- a/xxl-job-executor-samples/xxl-job-executor-sample-nutz/src/main/java/com/xuxueli/executor/sample/nutz/jobhandler/HttpJobHandler.java
+++ b/xxl-job-executor-samples/xxl-job-executor-sample-nutz/src/main/java/com/xuxueli/executor/sample/nutz/jobhandler/HttpJobHandler.java
@@ -32,25 +32,36 @@ public class HttpJobHandler extends IJobHandler {
 		}
 
 		// httpclient
-		HttpClient httpClient = new HttpClient();
-		httpClient.setFollowRedirects(false);	// Configure HttpClient, for example:
-		httpClient.start();						// Start HttpClient
-
-		// request
-		Request request = httpClient.newRequest(param);
-		request.method(HttpMethod.GET);
-		request.timeout(5000, TimeUnit.MILLISECONDS);
-
-		// invoke
-		ContentResponse response = request.send();
-		if (response.getStatus() != HttpStatus.OK_200) {
-			XxlJobLogger.log("Http StatusCode({}) Invalid.", response.getStatus());
+		HttpClient httpClient = null;
+		try {
+			httpClient = new HttpClient();
+			httpClient.setFollowRedirects(false);	// Configure HttpClient, for example:
+			httpClient.start();						// Start HttpClient
+
+			// request
+			Request request = httpClient.newRequest(param);
+			request.method(HttpMethod.GET);
+			request.timeout(5000, TimeUnit.MILLISECONDS);
+
+			// invoke
+			ContentResponse response = request.send();
+			if (response.getStatus() != HttpStatus.OK_200) {
+				XxlJobLogger.log("Http StatusCode({}) Invalid.", response.getStatus());
+				return FAIL;
+			}
+
+			String responseMsg = response.getContentAsString();
+			XxlJobLogger.log(responseMsg);
+			return SUCCESS;
+		} catch (Exception e) {
+			XxlJobLogger.log(e);
 			return FAIL;
+		} finally {
+			if (httpClient != null) {
+				httpClient.stop();
+			}
 		}
 
-		String responseMsg = response.getContentAsString();
-		XxlJobLogger.log(responseMsg);
-		return SUCCESS;
 	}
 
 }
diff --git a/xxl-job-executor-samples/xxl-job-executor-sample-spring/src/main/java/com/xxl/job/executor/service/jobhandler/HttpJobHandler.java b/xxl-job-executor-samples/xxl-job-executor-sample-spring/src/main/java/com/xxl/job/executor/service/jobhandler/HttpJobHandler.java
index ea68d749..61dbab1c 100644
--- a/xxl-job-executor-samples/xxl-job-executor-sample-spring/src/main/java/com/xxl/job/executor/service/jobhandler/HttpJobHandler.java
+++ b/xxl-job-executor-samples/xxl-job-executor-sample-spring/src/main/java/com/xxl/job/executor/service/jobhandler/HttpJobHandler.java
@@ -32,25 +32,36 @@ public class HttpJobHandler extends IJobHandler {
 		}
 
 		// httpclient
-		HttpClient httpClient = new HttpClient();
-		httpClient.setFollowRedirects(false);	// Configure HttpClient, for example:
-		httpClient.start();						// Start HttpClient
-
-		// request
-		Request request = httpClient.newRequest(param);
-		request.method(HttpMethod.GET);
-		request.timeout(5000, TimeUnit.MILLISECONDS);
-
-		// invoke
-		ContentResponse response = request.send();
-		if (response.getStatus() != HttpStatus.OK_200) {
-			XxlJobLogger.log("Http StatusCode({}) Invalid.", response.getStatus());
+		HttpClient httpClient = null;
+		try {
+			httpClient = new HttpClient();
+			httpClient.setFollowRedirects(false);	// Configure HttpClient, for example:
+			httpClient.start();						// Start HttpClient
+
+			// request
+			Request request = httpClient.newRequest(param);
+			request.method(HttpMethod.GET);
+			request.timeout(5000, TimeUnit.MILLISECONDS);
+
+			// invoke
+			ContentResponse response = request.send();
+			if (response.getStatus() != HttpStatus.OK_200) {
+				XxlJobLogger.log("Http StatusCode({}) Invalid.", response.getStatus());
+				return FAIL;
+			}
+
+			String responseMsg = response.getContentAsString();
+			XxlJobLogger.log(responseMsg);
+			return SUCCESS;
+		} catch (Exception e) {
+			XxlJobLogger.log(e);
 			return FAIL;
+		} finally {
+			if (httpClient != null) {
+				httpClient.stop();
+			}
 		}
 
-		String responseMsg = response.getContentAsString();
-		XxlJobLogger.log(responseMsg);
-		return SUCCESS;
 	}
 
 }
diff --git a/xxl-job-executor-samples/xxl-job-executor-sample-springboot/src/main/java/com/xxl/job/executor/service/jobhandler/HttpJobHandler.java b/xxl-job-executor-samples/xxl-job-executor-sample-springboot/src/main/java/com/xxl/job/executor/service/jobhandler/HttpJobHandler.java
index ea68d749..61dbab1c 100644
--- a/xxl-job-executor-samples/xxl-job-executor-sample-springboot/src/main/java/com/xxl/job/executor/service/jobhandler/HttpJobHandler.java
+++ b/xxl-job-executor-samples/xxl-job-executor-sample-springboot/src/main/java/com/xxl/job/executor/service/jobhandler/HttpJobHandler.java
@@ -32,25 +32,36 @@ public class HttpJobHandler extends IJobHandler {
 		}
 
 		// httpclient
-		HttpClient httpClient = new HttpClient();
-		httpClient.setFollowRedirects(false);	// Configure HttpClient, for example:
-		httpClient.start();						// Start HttpClient
-
-		// request
-		Request request = httpClient.newRequest(param);
-		request.method(HttpMethod.GET);
-		request.timeout(5000, TimeUnit.MILLISECONDS);
-
-		// invoke
-		ContentResponse response = request.send();
-		if (response.getStatus() != HttpStatus.OK_200) {
-			XxlJobLogger.log("Http StatusCode({}) Invalid.", response.getStatus());
+		HttpClient httpClient = null;
+		try {
+			httpClient = new HttpClient();
+			httpClient.setFollowRedirects(false);	// Configure HttpClient, for example:
+			httpClient.start();						// Start HttpClient
+
+			// request
+			Request request = httpClient.newRequest(param);
+			request.method(HttpMethod.GET);
+			request.timeout(5000, TimeUnit.MILLISECONDS);
+
+			// invoke
+			ContentResponse response = request.send();
+			if (response.getStatus() != HttpStatus.OK_200) {
+				XxlJobLogger.log("Http StatusCode({}) Invalid.", response.getStatus());
+				return FAIL;
+			}
+
+			String responseMsg = response.getContentAsString();
+			XxlJobLogger.log(responseMsg);
+			return SUCCESS;
+		} catch (Exception e) {
+			XxlJobLogger.log(e);
 			return FAIL;
+		} finally {
+			if (httpClient != null) {
+				httpClient.stop();
+			}
 		}
 
-		String responseMsg = response.getContentAsString();
-		XxlJobLogger.log(responseMsg);
-		return SUCCESS;
 	}
 
 }
diff --git a/xxl-job-executor-samples/xxl-job-executor-sample-springboot/src/main/resources/logback.xml b/xxl-job-executor-samples/xxl-job-executor-sample-springboot/src/main/resources/logback.xml
index bbea067c..d5a0d2ca 100644
--- a/xxl-job-executor-samples/xxl-job-executor-sample-springboot/src/main/resources/logback.xml
+++ b/xxl-job-executor-samples/xxl-job-executor-sample-springboot/src/main/resources/logback.xml
@@ -5,9 +5,6 @@
     <property name="log.path" value="/data/applogs/xxl-job/xxl-job-executor-sample-springboot.log"/>
 
     <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
-       <!-- <filter class="ch.qos.logback.classic.filter.ThresholdFilter" >
-            <level>WARN</level>
-        </filter>-->
         <encoder>
             <pattern>%d{HH:mm:ss.SSS} %contextName [%thread] %-5level %logger{36} - %msg%n</pattern>
         </encoder>
@@ -29,9 +26,4 @@
         <appender-ref ref="file"/>
     </root>
 
-    <!--<logger name="com.xxl.job.executor.service.info" level="WARN" additivity="false">
-        <appender-ref ref="console"/>
-        <appender-ref ref="file"/>
-    </logger>-->
-
 </configuration>
\ No newline at end of file