有效性检查

app/src/main/cpp/MicroPhoto.cpp

@@ -358,7 +358,7 @@ Java_com_xypower_mpapp_MicroPhotoService_notifyToTakePhoto(
         JNIEnv* env,
         jobject pThis, jlong handler, jint channel, jint preset, jlong scheduleTime, jboolean photoOrVideo) {
 
-    if (channel < 1 || channel > 0x1FF)
+    if (channel < 0 || channel > 0xFFFF)
     {
         return JNI_FALSE;
     }