diff --git a/pom.xml b/pom.xml
index d661366..5e2eafb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
     </parent>
     <groupId>com.iflytop</groupId>
     <artifactId>uf</artifactId>
-    <version>0.0.64</version>
+    <version>0.0.66</version>
     <name>uf</name>
     <description>uf</description>
     <properties>
diff --git a/src/main/java/com/iflytop/uf/connection/UfZcancmderWebsocket.java b/src/main/java/com/iflytop/uf/connection/UfZcancmderWebsocket.java
index 5478fbc..020296c 100644
--- a/src/main/java/com/iflytop/uf/connection/UfZcancmderWebsocket.java
+++ b/src/main/java/com/iflytop/uf/connection/UfZcancmderWebsocket.java
@@ -87,7 +87,7 @@ public class UfZcancmderWebsocket extends UfConnectionBase {
             returnValue = (String) UfClassHelper.invokeMethod(this, methodName, List.of(command));
         } catch (NoSuchMethodException e) {
             returnValue = this.executeDeviceCommand(command);
-        } catch (Exception e) {
+        } catch (Throwable e) {
             throw new RuntimeException(e);
         }
         return returnValue;
diff --git a/src/main/java/com/iflytop/uf/util/UfClassHelper.java b/src/main/java/com/iflytop/uf/util/UfClassHelper.java
index 6654901..b12b109 100644
--- a/src/main/java/com/iflytop/uf/util/UfClassHelper.java
+++ b/src/main/java/com/iflytop/uf/util/UfClassHelper.java
@@ -40,18 +40,22 @@ public class UfClassHelper {
     }
 
     // invoke method
-    public static Object invokeMethod(Object obj, String methodName, List<Object> args) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
+    public static Object invokeMethod(Object obj, String methodName, List<Object> args) throws Throwable {
 		Class<?>[] parameterTypes = new Class<?>[args.size()];
 		for (int i = 0; i < args.size(); i++) {
 			parameterTypes[i] = args.get(i).getClass();
 		}
 		Method method = obj.getClass().getMethod(methodName, parameterTypes);
 
-		if ( method.getReturnType().equals(Void.TYPE) ) {
-			method.invoke(obj, args.toArray());
-			return null;
-		} else {
-			return method.invoke(obj, args.toArray());
+		try {
+			if ( method.getReturnType().equals(Void.TYPE) ) {
+				method.invoke(obj, args.toArray());
+				return null;
+			} else {
+				return method.invoke(obj, args.toArray());
+			}
+		} catch ( Exception e ) {
+			throw e.getCause();
 		}
     }