diff --git a/mpmaster/src/main/cpp/mpmaster.cpp b/mpmaster/src/main/cpp/mpmaster.cpp
index e4cb8591..0c461972 100644
--- a/mpmaster/src/main/cpp/mpmaster.cpp
+++ b/mpmaster/src/main/cpp/mpmaster.cpp
@@ -17,6 +17,8 @@
 //    }
 #include <jni.h>
 #include <fcntl.h>
+#include <thread>
+#include <chrono>
 #include <stdio.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
@@ -57,8 +59,8 @@ Java_com_xypower_mpmaster_MpMasterService_getInt(JNIEnv* env, jclass cls, jint c
     return -1;
 }
 
-extern "C" JNIEXPORT jint JNICALL
-Java_com_xypower_mpmaster_MpMasterService_setInt(JNIEnv* env, jclass cls, jint cmd, jint val) {
+int setGpioInt(int cmd, int val)
+{
     int fd = open("/dev/mtkgpioctrl", O_RDONLY);
     // LOGE("set_int fd=%d,cmd=%d,value=%d\r\n",fd, cmd, value);
     if( fd > 0 )
@@ -74,15 +76,25 @@ Java_com_xypower_mpmaster_MpMasterService_setInt(JNIEnv* env, jclass cls, jint c
     return -1;
 }
 
+extern "C" JNIEXPORT jint JNICALL
+Java_com_xypower_mpmaster_MpMasterService_setInt(JNIEnv* env, jclass cls, jint cmd, jint val) {
+
+    return setGpioInt(cmd, val);
+}
+
 extern "C" JNIEXPORT void JNICALL
 Java_com_xypower_mpmaster_MpMasterService_rebootDevice(JNIEnv* env, jclass cls) {
     // setInt(CMD_SET_SYSTEM_RESET, 1);
-    for (int idx = 0; idx < 3; idx++) {
-        if (Java_com_xypower_mpmaster_MpMasterService_setInt(env, cls, 202, 1) == 0) {
-            break;
-        }
-    }
-
+    std::thread t([]()
+      {
+          std::this_thread::sleep_for(std::chrono::milliseconds(1000));
+          for (int idx = 0; idx < 3; idx++) {
+              if (setGpioInt(202, 1) == 0) {
+                  break;
+              }
+          }
+      });
+    t.detach();
 }
 
 extern "C" JNIEXPORT jintArray JNICALL