diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index a4dc5f6d..c7f98e0d 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -539,7 +539,7 @@ bool CPhoneDevice::InstallAPP(const std::string& path, unsigned int delayedTime)
     }
 
     jstring jpath = env->NewStringUTF(path.c_str());
-    env->CallVoidMethod(m_javaService, mInstallAppMid, jpath, (jlong)delayedTime);
+    env->CallBooleanMethod(m_javaService, mInstallAppMid, jpath, (jlong)delayedTime);
     // env->ReleaseStringUTFChars(jpath, path.c_str());
     env->DeleteLocalRef(jpath);
     if (didAttachThread)