diff --git a/blelib/src/main/java/com/junkchen/blelib/BleService.java b/blelib/src/main/java/com/junkchen/blelib/BleService.java
index 4cef138..c7d6f54 100644
--- a/blelib/src/main/java/com/junkchen/blelib/BleService.java
+++ b/blelib/src/main/java/com/junkchen/blelib/BleService.java
@@ -177,7 +177,7 @@ public void run() {
                     broadcastUpdate(ACTION_SCAN_FINISHED);
                     if (mScanLeDeviceList != null) {
                         mScanLeDeviceList.clear();
-                        mScanLeDeviceList = null;
+                        //mScanLeDeviceList = null;
                     }
 //                    mBluetoothAdapter.getBluetoothLeScanner().stopScan(mLeScanCallback);
                 }
@@ -192,7 +192,7 @@ public void run() {
             broadcastUpdate(ACTION_SCAN_FINISHED);
             if (mScanLeDeviceList != null) {
                 mScanLeDeviceList.clear();
-                mScanLeDeviceList = null;
+                //mScanLeDeviceList = null;
             }
 //            mBluetoothAdapter.getBluetoothLeScanner().stopScan(mLeScanCallback);
         }
@@ -715,4 +715,4 @@ public void setOnReadRemoteRssiListener(OnReadRemoteRssiListener l) {
     public void setOnMtuChangedListener(OnMtuChangedListener l) {
         mOnMtuChangedListener = l;
     }
-}
\ No newline at end of file
+}
diff --git a/blelib/src/main/java/com/junkchen/blelib/MultipleBleService.java b/blelib/src/main/java/com/junkchen/blelib/MultipleBleService.java
index 71e7437..d2fe13d 100644
--- a/blelib/src/main/java/com/junkchen/blelib/MultipleBleService.java
+++ b/blelib/src/main/java/com/junkchen/blelib/MultipleBleService.java
@@ -185,7 +185,7 @@ public void run() {
                     broadcastUpdate(ACTION_SCAN_FINISHED);
                     if (mScanLeDeviceList != null) {
                         mScanLeDeviceList.clear();
-                        mScanLeDeviceList = null;
+                        //mScanLeDeviceList = null;
                     }
 //                    mBluetoothAdapter.getBluetoothLeScanner().stopScan(mLeScanCallback);
                 }
@@ -207,7 +207,7 @@ public void run() {
             broadcastUpdate(ACTION_SCAN_FINISHED);
             if (mScanLeDeviceList != null) {
                 mScanLeDeviceList.clear();
-                mScanLeDeviceList = null;
+                //mScanLeDeviceList = null;
             }
         }
     }