diff --git a/mpmaster/src/main/cpp/mpmaster.cpp b/mpmaster/src/main/cpp/mpmaster.cpp
index 7b9c71d8..e4cb8591 100644
--- a/mpmaster/src/main/cpp/mpmaster.cpp
+++ b/mpmaster/src/main/cpp/mpmaster.cpp
@@ -77,7 +77,12 @@ Java_com_xypower_mpmaster_MpMasterService_setInt(JNIEnv* env, jclass cls, jint c
 extern "C" JNIEXPORT void JNICALL
 Java_com_xypower_mpmaster_MpMasterService_rebootDevice(JNIEnv* env, jclass cls) {
     // setInt(CMD_SET_SYSTEM_RESET, 1);
-    Java_com_xypower_mpmaster_MpMasterService_setInt(env, cls, 202, 1);
+    for (int idx = 0; idx < 3; idx++) {
+        if (Java_com_xypower_mpmaster_MpMasterService_setInt(env, cls, 202, 1) == 0) {
+            break;
+        }
+    }
+
 }
 
 extern "C" JNIEXPORT jintArray JNICALL