diff --git a/core/src/main/cpp/CMakeLists.txt b/core/src/main/cpp/CMakeLists.txt
index 7032ee3..ac59f73 100644
--- a/core/src/main/cpp/CMakeLists.txt
+++ b/core/src/main/cpp/CMakeLists.txt
@@ -61,6 +61,10 @@ add_library(pine SHARED ${PINE_SOURCES})
 find_library(log-lib log)
 find_package(cxx REQUIRED CONFIG)
 
+# support 16KB
+target_link_options(pine PRIVATE "-Wl,-z,max-page-size=16384")
+target_link_options(pine PRIVATE "-Wl,-z,common-page-size=16384")
+
 target_link_libraries(pine ${log-lib} cxx::cxx)
 
 ENABLE_LANGUAGE(ASM)
diff --git a/core/src/main/cpp/pine.cpp b/core/src/main/cpp/pine.cpp
index 4b1cbd3..c2bb336 100644
--- a/core/src/main/cpp/pine.cpp
+++ b/core/src/main/cpp/pine.cpp
@@ -505,6 +505,10 @@ void Pine_getArgsX86(JNIEnv* env, jclass, jint javaExtras, jintArray javaArray,
 #endif
 
 void Pine_syncMethodInfo(JNIEnv* env, jclass, jobject javaOrigin, jobject javaBackup, jboolean skipDeclaringClass) {
+    if (javaOrigin == nullptr || javaBackup == nullptr) {
+        LOGW("syncMethodInfo: javaOrigin or javaBackup is null");
+        return;
+    }
     auto origin = art::ArtMethod::FromReflectedMethod(env, javaOrigin);
     auto backup = art::ArtMethod::FromReflectedMethod(env, javaBackup);
 
diff --git a/core/src/main/java/top/canyie/pine/Pine.java b/core/src/main/java/top/canyie/pine/Pine.java
index 19be477..d5427e6 100644
--- a/core/src/main/java/top/canyie/pine/Pine.java
+++ b/core/src/main/java/top/canyie/pine/Pine.java
@@ -494,7 +494,15 @@ static Object callBackupMethod(HookRecord hookRecord, Object thisObject, Object[
         // native entry of JNI method may be changed by RegisterNatives and UnregisterNatives,
         // so we need to update them when invoke backup method.
         Member origin = hookRecord.target;
+        if (origin == null) {
+            Log.w(TAG, "Target method is null!!!");
+            return null;
+        }
         Method backup = hookRecord.backup;
+        if (backup == null) {
+            Log.w(TAG, "Backup method is null for " + hookRecord.target);
+            return null;
+        }
         Class<?> declaring = origin.getDeclaringClass();
         syncMethodInfo(origin, backup, hookRecord.skipUpdateDeclaringClass);
         // FIXME: GC happens here (you can add Runtime.getRuntime().gc() to test) will crash backup calling
diff --git a/gradlew b/gradlew
old mode 100644
new mode 100755