diff --git a/squirrel-foundation/pom.xml b/squirrel-foundation/pom.xml
index b467b70f..bf743698 100644
--- a/squirrel-foundation/pom.xml
+++ b/squirrel-foundation/pom.xml
@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.squirrelframework</groupId>
     <artifactId>squirrel-foundation</artifactId>
-    <version>0.3.9-SNAPSHOT</version>
+    <version>0.3.10-SNAPSHOT</version>
     <packaging>bundle</packaging>
     <name>squirrel foundation</name>
     <description>foundation module of squirrel framework which provided event driven infrastructure and a finite state machine implementation.</description>
diff --git a/squirrel-foundation/src/main/java/org/squirrelframework/foundation/fsm/impl/AbstractExecutionService.java b/squirrel-foundation/src/main/java/org/squirrelframework/foundation/fsm/impl/AbstractExecutionService.java
index 9c7a50b2..7547ed98 100644
--- a/squirrel-foundation/src/main/java/org/squirrelframework/foundation/fsm/impl/AbstractExecutionService.java
+++ b/squirrel-foundation/src/main/java/org/squirrelframework/foundation/fsm/impl/AbstractExecutionService.java
@@ -81,7 +81,8 @@ public void run() {
                         actionContext.run();
                     }
                 } catch (Exception e) {
-                    logger.error("Error during transition", e);
+                    // 此处不应该打印Error日志，应该将异常交给调用者来决定是否打印异常。
+                    //logger.error("Error during transition", e);
                     Throwable t = (e instanceof SquirrelRuntimeException) ?
                             ((SquirrelRuntimeException)e).getTargetException() : e;
                     // wrap any exception into transition exception