diff --git a/xxl-job-executor-samples/xxl-job-executor-sample-frameless/src/main/java/com/xxl/job/executor/sample/frameless/jobhandler/SampleXxlJob.java b/xxl-job-executor-samples/xxl-job-executor-sample-frameless/src/main/java/com/xxl/job/executor/sample/frameless/jobhandler/SampleXxlJob.java
index f4edb432..37ef3e96 100644
--- a/xxl-job-executor-samples/xxl-job-executor-sample-frameless/src/main/java/com/xxl/job/executor/sample/frameless/jobhandler/SampleXxlJob.java
+++ b/xxl-job-executor-samples/xxl-job-executor-sample-frameless/src/main/java/com/xxl/job/executor/sample/frameless/jobhandler/SampleXxlJob.java
@@ -14,13 +14,7 @@ import org.slf4j.LoggerFactory;
 
 import java.io.BufferedInputStream;
 import java.io.BufferedReader;
-import java.io.DataOutputStream;
 import java.io.InputStreamReader;
-import java.net.HttpURLConnection;
-import java.net.URL;
-import java.nio.charset.StandardCharsets;
-import java.util.Arrays;
-import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
@@ -227,9 +221,7 @@ public class SampleXxlJob {
             }
         }
         if (httpJobParam.getTimeout() <= 0) {
-            XxlJobHelper.log("timeout["+ httpJobParam.getTimeout() +"] invalid.");
-            XxlJobHelper.handleFail();
-            return;
+            httpJobParam.setTimeout(3000);
         }
 
         // do request
@@ -239,7 +231,6 @@ public class SampleXxlJob {
                     .method(method)
                     .contentType(contentType)
                     .header(httpJobParam.getHeaders())
-                    .header(Header.USER_AGENT.getValue(), Header.DEFAULT_USER_AGENT_WIN)
                     .cookie(httpJobParam.getCookies())
                     .body(httpJobParam.getData())
                     .form(httpJobParam.getForm())
diff --git a/xxl-job-executor-samples/xxl-job-executor-sample-springboot/src/main/java/com/xxl/job/executor/jobhandler/SampleXxlJob.java b/xxl-job-executor-samples/xxl-job-executor-sample-springboot/src/main/java/com/xxl/job/executor/jobhandler/SampleXxlJob.java
index 9bc59c08..cd7277fd 100644
--- a/xxl-job-executor-samples/xxl-job-executor-sample-springboot/src/main/java/com/xxl/job/executor/jobhandler/SampleXxlJob.java
+++ b/xxl-job-executor-samples/xxl-job-executor-sample-springboot/src/main/java/com/xxl/job/executor/jobhandler/SampleXxlJob.java
@@ -223,9 +223,7 @@ public class SampleXxlJob {
             }
         }
         if (httpJobParam.getTimeout() <= 0) {
-            XxlJobHelper.log("timeout["+ httpJobParam.getTimeout() +"] invalid.");
-            XxlJobHelper.handleFail();
-            return;
+            httpJobParam.setTimeout(3000);
         }
 
         // do request
@@ -235,7 +233,6 @@ public class SampleXxlJob {
                     .method(method)
                     .contentType(contentType)
                     .header(httpJobParam.getHeaders())
-                    .header(Header.USER_AGENT.getValue(), Header.DEFAULT_USER_AGENT_WIN)
                     .cookie(httpJobParam.getCookies())
                     .body(httpJobParam.getData())
                     .form(httpJobParam.getForm())