diff --git a/plugin.xml b/plugin.xml
index 6ec6dde..a05111f 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -49,7 +49,6 @@ xmlns:android="http://schemas.android.com/apk/res/android"
 
         <config-file target="AndroidManifest.xml" parent="/*">
             <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
-            <uses-permission android:name="android.permission.READ_PHONE_STATE" />
         </config-file>
 
         <source-file src="src/android/NetworkManager.java" target-dir="src/org/apache/cordova/networkinformation" />
diff --git a/src/android/NetworkManager.java b/src/android/NetworkManager.java
index 4823128..d527277 100755
--- a/src/android/NetworkManager.java
+++ b/src/android/NetworkManager.java
@@ -22,24 +22,19 @@ import org.apache.cordova.CallbackContext;
 import org.apache.cordova.CordovaInterface;
 import org.apache.cordova.CordovaPlugin;
 import org.apache.cordova.LOG;
-import org.apache.cordova.PermissionHelper;
 import org.apache.cordova.PluginResult;
 import org.apache.cordova.CordovaWebView;
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import android.Manifest;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.content.pm.PackageManager;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import android.os.Build;
-import android.telephony.TelephonyManager;
-import android.util.Log;
 
 import java.util.Locale;
 
@@ -84,6 +79,7 @@ public class NetworkManager extends CordovaPlugin {
     public static final String TYPE_3G = "3g";
     public static final String TYPE_4G = "4g";
     public static final String TYPE_5G = "5g";
+
     public static final String TYPE_NONE = "none";
 
     private static final String LOG_TAG = "NetworkManager";
@@ -94,10 +90,6 @@ public class NetworkManager extends CordovaPlugin {
     BroadcastReceiver receiver;
     private String lastTypeOfNetwork;
 
-    // 权限
-    public static final int READ_PHONE_STATE = 1;
-    public static final int PERMISSION_DENIED_ERROR = 20;
-
     /**
      * Sets the context of the Command. This can then be used to do things like
      * get file paths associated with the Activity.
@@ -124,20 +116,16 @@ public class NetworkManager extends CordovaPlugin {
     public boolean execute(String action, JSONArray args, CallbackContext callbackContext) {
         if (action.equals("getConnectionInfo")) {
             this.connectionCallbackContext = callbackContext;
-            this.getNetworkInfo();
+            NetworkInfo info = sockMan.getActiveNetworkInfo();
+            String connectionType = this.getTypeOfNetworkFallbackToTypeNoneIfNotConnected(info);
+            PluginResult pluginResult = new PluginResult(PluginResult.Status.OK, connectionType);
+            pluginResult.setKeepCallback(true);
+            callbackContext.sendPluginResult(pluginResult);
             return true;
         }
         return false;
     }
 
-    void getNetworkInfo(){
-        NetworkInfo info = sockMan.getActiveNetworkInfo();
-        String connectionType = this.getTypeOfNetworkFallbackToTypeNoneIfNotConnected(info);
-        PluginResult pluginResult = new PluginResult(PluginResult.Status.OK, connectionType);
-        pluginResult.setKeepCallback(true);
-        this.connectionCallbackContext.sendPluginResult(pluginResult);
-    }
-
     /**
      * Stop network receiver.
      */
@@ -245,13 +233,7 @@ public class NetworkManager extends CordovaPlugin {
                 type = TYPE_NONE;
             }
             else {
-                // 申请权限
-                if (!PermissionHelper.hasPermission(this, Manifest.permission.READ_PHONE_STATE)) {
-                    PermissionHelper.requestPermission(this, READ_PHONE_STATE, Manifest.permission.READ_PHONE_STATE);
-                    return "";
-                } else {
-                    type = getType(info);
-                }
+                type = getType(info);
             }
         } else {
             type = TYPE_NONE;
@@ -261,25 +243,6 @@ public class NetworkManager extends CordovaPlugin {
         return type;
     }
 
-    public void onRequestPermissionResult(int requestCode, String[] permissions,
-                                          int[] grantResults) throws JSONException {
-        if (grantResults.length==0){
-            return;
-        }
-        for (int r : grantResults) {
-            if (r == PackageManager.PERMISSION_DENIED) {
-                this.connectionCallbackContext.sendPluginResult(new PluginResult(PluginResult.Status.ERROR, PERMISSION_DENIED_ERROR));
-                return;
-            }
-        }
-        switch (requestCode) {
-            case READ_PHONE_STATE:
-                NetworkInfo info = sockMan.getActiveNetworkInfo();
-                this.getTypeOfNetworkFallbackToTypeNoneIfNotConnected(info);
-                break;
-        }
-    }
-
     /**
      * Create a new plugin result and send it back to JavaScript
      *
@@ -301,13 +264,6 @@ public class NetworkManager extends CordovaPlugin {
      * @return the type of mobile network we are on
      */
     private String getType(NetworkInfo info) {
-        // 5g单独处理
-        TelephonyManager telephonyManager = (TelephonyManager) cordova.getActivity().getSystemService(Context.TELEPHONY_SERVICE);
-        int networkType = telephonyManager.getNetworkType();
-        Log.d(LOG_TAG, "getType: " + networkType);
-        if (networkType == 20) {// 对应的20 只有依赖为android 10.0才有此属性
-            return TYPE_5G;
-        }
         String type = info.getTypeName().toLowerCase(Locale.US);
 
         LOG.d(LOG_TAG, "toLower : " + type);
@@ -317,6 +273,7 @@ public class NetworkManager extends CordovaPlugin {
             return TYPE_ETHERNET;
         } else if (type.equals(MOBILE) || type.equals(CELLULAR)) {
             type = info.getSubtypeName().toLowerCase(Locale.US);
+            int subType = info.getSubtype();
             if (type.equals(GSM) ||
                     type.equals(GPRS) ||
                     type.equals(EDGE) ||
@@ -336,6 +293,8 @@ public class NetworkManager extends CordovaPlugin {
                     type.equals(HSPA_PLUS) ||
                     type.equals(FOUR_G)) {
                 return TYPE_4G;
+            } else if(subType == 20){ //api 29 时生效  为5G网络类型  值为20也是一样
+                return TYPE_5G;
             }
         }
         return TYPE_UNKNOWN;