diff --git a/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/common/EtlLock.java b/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/common/EtlLock.java
index 35ba5ddf..67d0ac41 100644
--- a/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/common/EtlLock.java
+++ b/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/common/EtlLock.java
@@ -99,12 +99,16 @@ public class EtlLock {
         }
     }
 
-    public void unlock(String key) throws Exception {
+    public void unlock(String key) {
         if (mode == Mode.LOCAL) {
             getLock(key).unlock();
         } else {
             InterProcessMutex lock = getRemoteLock(key);
-            lock.release();
+            try {
+                lock.release();
+            } catch (Exception e) {
+                // ignore
+            }
         }
     }
 }
diff --git a/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/rest/CommonRest.java b/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/rest/CommonRest.java
index 0c4392a3..bee78e04 100644
--- a/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/rest/CommonRest.java
+++ b/client-adapter/launcher/src/main/java/com/alibaba/otter/canal/adapter/launcher/rest/CommonRest.java
@@ -79,11 +79,7 @@ public class CommonRest {
                 }
             }
         } finally {
-            try {
-                etlLock.unlock(ETL_LOCK_ZK_NODE + type + "-" + task);
-            } catch (Exception e) {
-                logger.error(e.getMessage(), e);
-            }
+            etlLock.unlock(ETL_LOCK_ZK_NODE + type + "-" + task);
         }
     }