diff --git a/serialport/src/main/java/android/serialport/utils/TaskExcuteResult.java b/serialport/src/main/java/android/serialport/utils/TaskExcuteResult.java
index b69d5f2..d4d01f5 100644
--- a/serialport/src/main/java/android/serialport/utils/TaskExcuteResult.java
+++ b/serialport/src/main/java/android/serialport/utils/TaskExcuteResult.java
@@ -1 +1,6 @@
-cGFja2FnZSBhbmRyb2lkLnNlcmlhbHBvcnQudXRpbHM7CgpwdWJsaWMgaW50ZXJmYWNlIFRhc2tFeGN1dGVSZXN1bHQgewogICAgdm9pZCBzdWNjZXNzKCk7CiAgICB2b2lkIGZhaWwoU3RyaW5nIHJlYXNvbik7Cn0K
\ No newline at end of file
+package android.serialport.utils;
+
+public interface TaskExcuteResult {
+    void success();
+    void fail(String reason);
+}