diff --git a/app/src/main/java/moe/tqlwsl/aicemu/SettingActivity.kt b/app/src/main/java/moe/tqlwsl/aicemu/SettingActivity.kt
index dfb8c1f..2b0ebab 100644
--- a/app/src/main/java/moe/tqlwsl/aicemu/SettingActivity.kt
+++ b/app/src/main/java/moe/tqlwsl/aicemu/SettingActivity.kt
@@ -4,15 +4,17 @@ import android.annotation.SuppressLint
 import android.content.pm.PackageManager
 import android.graphics.Color
 import android.os.Build
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
 import android.util.Log
 import android.widget.TextView
+import androidx.appcompat.app.AppCompatActivity
 import org.lsposed.hiddenapibypass.HiddenApiBypass
+import java.lang.reflect.Method
 
 class SettingActivity : AppCompatActivity() {
     private var isHCEFSupported: Boolean = false
     private var isHCEFUnlocked: Boolean = false
+    private var pmmtoolStatus: String? = ""
     val TAG: String = "AICEmu"
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -49,6 +51,22 @@ class SettingActivity : AppCompatActivity() {
                 e.printStackTrace()
                 textUnlocker.setText(R.string.Unlocker_work_error)
             }
+
+            val textPmmtool = findViewById<TextView>(R.id.pmmtool_work_text)
+            pmmtoolStatus = getProperty("tmp.AICEmu.pmmtool");
+            if (pmmtoolStatus == "") {
+                textPmmtool.setText(R.string.Pmmtool_work_false)
+                textPmmtool.setTextColor(Color.RED)
+            }
+            else if (pmmtoolStatus == "0") {
+                textPmmtool.setText(R.string.Pmmtool_work_hook_failed)
+                textPmmtool.setTextColor(Color.RED)
+            }
+            else if (pmmtoolStatus == "1") {
+                textPmmtool.setText(R.string.Pmmtool_work_true)
+                textPmmtool.setTextColor(Color.GREEN)
+            }
+
         }
     }
 
@@ -63,5 +81,18 @@ class SettingActivity : AppCompatActivity() {
                 HiddenApiBypass.invoke(clazz, null, "isValidSystemCode", systemCode) as Boolean
             }
         }
+
+        @SuppressLint("PrivateApi")
+        fun getProperty(key: String?): String? {
+            try {
+                val c = Class.forName("android.os.SystemProperties")
+                val set: Method = c.getMethod("get", String::class.java)
+                return set.invoke(c, key)?.toString()
+            } catch (e: java.lang.Exception) {
+                Log.d("AICEmu", "getProperty exception")
+                e.printStackTrace()
+                return ""
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/app/src/main/jni/main.cpp b/app/src/main/jni/main.cpp
index 182a1e7..c7c0d59 100644
--- a/app/src/main/jni/main.cpp
+++ b/app/src/main/jni/main.cpp
@@ -38,6 +38,7 @@ void *new_func(u_int8_t a1, u_int8_t *a2, int a3) {
                 for (int j = 0; j < 8; ++j)
                     sprintf(pmm_str + j * 3, "%02x ", *(char *)(a2 + i + 2 + j));
                 __android_log_print(6, "AICEmu-pmmtool", "[1] new PMm: %s", pmm_str);
+                __system_property_set("tmp.AICEmu.pmmtool", "1");
             }
         }
 
@@ -59,6 +60,7 @@ void *new_func(u_int8_t a1, u_int8_t *a2, int a3) {
                 for (int j = 0; j < 8; ++j)
                     sprintf(pmm_str + j * 3, "%02x ", *(char *)(a2 + i + j));
                 __android_log_print(6, "AICEmu-pmmtool", "[2] new PMm: %s", pmm_str);
+                __system_property_set("tmp.AICEmu.pmmtool", "1");
             }
         }
     //}
@@ -70,6 +72,7 @@ void *new_func(u_int8_t a1, u_int8_t *a2, int a3) {
 
 jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
     __android_log_print(6, "AICEmu-pmmtool", "Inside JNI_OnLoad");
+    __system_property_set("tmp.AICEmu.pmmtool", "0");
     JNIEnv *env = nullptr;
     if (vm->GetEnv((void **) &env, JNI_VERSION_1_6) == JNI_OK) {
         //void *func_addr = DobbySymbolResolver("libnfc-nci.so", "_Z23nfa_dm_check_set_confighPhb");
diff --git a/app/src/main/jni/main.h b/app/src/main/jni/main.h
index 631b8cc..ab1a3d6 100644
--- a/app/src/main/jni/main.h
+++ b/app/src/main/jni/main.h
@@ -13,6 +13,8 @@
 #include <inttypes.h>
 #include <unistd.h>
 
+#include <sys/system_properties.h>
+
 void *(*old_func)(u_int8_t, u_int8_t *, int) = nullptr;
 #endif //MAIN_H
 
diff --git a/app/src/main/res/layout/activity_setting.xml b/app/src/main/res/layout/activity_setting.xml
index 2597402..d1a7923 100644
--- a/app/src/main/res/layout/activity_setting.xml
+++ b/app/src/main/res/layout/activity_setting.xml
@@ -28,5 +28,16 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/hcef_support_text" />
 
+    <TextView
+        android:id="@+id/pmmtool_work_text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="10dp"
+        android:textSize="32sp"
+        android:text="@string/Pmmtool_work_false"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/unlocker_work_text" />
+
 
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index 5ee142b..201e767 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -15,6 +15,9 @@
     <string name="HCEF_support_false">设备不支持 HCE-F...</string>
     <string name="HCEF_support_true">设备支持 HCE-F！</string>
     <string name="Unlocker_work_true">Unlocker 运行中！</string>
-    <string name="Unlocker_work_false">Unlocker 没在工作...</string>
-    <string name="Unlocker_work_error">Unlocker 出错了！</string>
+    <string name="Unlocker_work_false">Unlocker 炸了...</string>
+    <string name="Unlocker_work_error">Unlocker 出现了错误！</string>
+    <string name="Pmmtool_work_true">Pmmtool 运行中！</string>
+    <string name="Pmmtool_work_false">Pmmtool 炸了...</string>
+    <string name="Pmmtool_work_hook_failed">Hook 失败了...</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 739e5d9..10d1302 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -23,4 +23,7 @@
     <string name="Unlocker_work_true">Unlocker is working!</string>
     <string name="Unlocker_work_false">Unlocker not working...</string>
     <string name="Unlocker_work_error">Unlocker Error!</string>
+    <string name="Pmmtool_work_true">Pmmtool is working!</string>
+    <string name="Pmmtool_work_false">Pmmtool not working...</string>
+    <string name="Pmmtool_work_hook_failed">Hook failed...</string>
 </resources>
\ No newline at end of file