diff --git a/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/loader/CanalAdapterKafkaWorker.java b/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/loader/CanalAdapterKafkaWorker.java
index 8bafcf58..b93379a6 100644
--- a/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/loader/CanalAdapterKafkaWorker.java
+++ b/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/loader/CanalAdapterKafkaWorker.java
@@ -45,7 +45,8 @@ public class CanalAdapterKafkaWorker extends AbstractCanalAdapterWorker {
         while (!running)
             ;
         ExecutorService workerExecutor = Executors.newSingleThreadExecutor();
-        int retry = canalClientConfig.getRetries() == null ? 1 : canalClientConfig.getRetries();
+        int retry = canalClientConfig.getRetries() == null
+                    || canalClientConfig.getRetries() == 0 ? 1 : canalClientConfig.getRetries();
         long timeout = canalClientConfig.getTimeout() == null ? 30000 : canalClientConfig.getTimeout(); // 默认超时30秒
 
         while (running) {
diff --git a/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/loader/CanalAdapterRocketMQWorker.java b/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/loader/CanalAdapterRocketMQWorker.java
index 5996ab99..f0ee5abc 100644
--- a/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/loader/CanalAdapterRocketMQWorker.java
+++ b/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/loader/CanalAdapterRocketMQWorker.java
@@ -43,7 +43,8 @@ public class CanalAdapterRocketMQWorker extends AbstractCanalAdapterWorker {
             ;
 
         ExecutorService workerExecutor = Executors.newSingleThreadExecutor();
-        int retry = canalClientConfig.getRetries() == null ? 1 : canalClientConfig.getRetries();
+        int retry = canalClientConfig.getRetries() == null
+                    || canalClientConfig.getRetries() == 0 ? 1 : canalClientConfig.getRetries();
         long timeout = canalClientConfig.getTimeout() == null ? 30000 : canalClientConfig.getTimeout(); // 默认超时30秒
 
         while (running) {
diff --git a/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/loader/CanalAdapterWorker.java b/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/loader/CanalAdapterWorker.java
index fabee436..95e8dd45 100644
--- a/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/loader/CanalAdapterWorker.java
+++ b/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/loader/CanalAdapterWorker.java
@@ -64,7 +64,8 @@ public class CanalAdapterWorker extends AbstractCanalAdapterWorker {
             ; // waiting until running == true
 
         ExecutorService workerExecutor = Executors.newSingleThreadExecutor();
-        int retry = canalClientConfig.getRetries() == null ? 1 : canalClientConfig.getRetries();
+        int retry = canalClientConfig.getRetries() == null
+                    || canalClientConfig.getRetries() == 0 ? 1 : canalClientConfig.getRetries();
         long timeout = canalClientConfig.getTimeout() == null ? 300000 : canalClientConfig.getTimeout(); // 默认超时5分钟
         Integer batchSize = canalClientConfig.getBatchSize();
         if (batchSize == null) {
diff --git a/client-adapter/launcher/src/main/resources/application.yml b/client-adapter/launcher/src/main/resources/application.yml
index 697210f7..c86b43f0 100644
--- a/client-adapter/launcher/src/main/resources/application.yml
+++ b/client-adapter/launcher/src/main/resources/application.yml
@@ -16,18 +16,18 @@ canal.conf:
 #  zookeeperHosts: slave1:2181
 #  mqServers: slave1:6667 #or rocketmq
 #  flatMessage: true
-  retries:
+  retries: 0
   timeout:
 #  srcDataSources:
 #    defaultDS:
 #      url: jdbc:mysql://127.0.0.1:3306/mytest?useUnicode=true
 #      username: root
 #      password: 121212
-  canalInstances:
-  - instance: example
-    groups:
-    - outAdapters:
-      - name: logger
+#  canalInstances:
+#  - instance: example
+#    groups:
+#    - outAdapters:
+#      - name: logger
 #      - name: rdb
 #        key: oracle1
 #        properties: