diff --git a/Editor/GuruManager/Helper/AndroidManifestMod.cs b/Editor/GuruManager/Helper/AndroidManifestMod.cs
index b22f85e..dd6aac1 100644
--- a/Editor/GuruManager/Helper/AndroidManifestMod.cs
+++ b/Editor/GuruManager/Helper/AndroidManifestMod.cs
@@ -15,6 +15,10 @@ namespace Guru.Editor
         private const string TargetPath = "Plugins/Android/AndroidManifest.xml";
         private const string ValOptimizeInitialization = "com.google.android.gms.ads.flag.OPTIMIZE_INITIALIZATION";
         private const string ValOptimizeAdLoading = "com.google.android.gms.ads.flag.OPTIMIZE_AD_LOADING";
+        private const string NamespaceAndroid = "http://schemas.android.com/apk/res/android";
+        private const string NamespaceTools = "http://schemas.android.com/tools";
+
+        private const string PermissionReadPhoneState = "android.permission.READ_PHONE_STATE";
 
         private static string TargetFullPath = Path.Combine(Application.dataPath, TargetPath);
         
@@ -30,10 +34,30 @@ namespace Guru.Editor
             var doc = new XmlDocument();
             doc.Load(TargetFullPath);
 
-            var rootNode = doc.SelectSingleNode("manifest/application");
+            SetApplicationMod(doc);
+            SetPermissionMod(doc);
+            
+            doc.Save(TargetFullPath);
+        }
+
+        /// <summary>
+        /// Fix all Elements in <Applicaiton>
+        /// </summary>
+        /// <param name="doc"></param>
+        private static void SetApplicationMod(XmlDocument doc)
+        {
+            string rootName = "manifest/application";
+            var rootNode = doc.SelectSingleNode(rootName);
             int item1 = 0;
             int item2 = 0;
             
+            if (rootNode == null)
+            {
+                Debug.LogError($"Can't find root with name {rootName} ...");
+                return;
+            }
+            
+            
             XmlNodeList metadatas = rootNode.SelectNodes("meta-data");
             if (metadatas != null && metadatas.Count > 0)
             {
@@ -51,22 +75,20 @@ namespace Guru.Editor
                     }
                 }
             }
-
-            string androidSP = "http://schemas.android.com/apk/res/android";
             
             if (item1 == 0)
             {
-               var e =  doc.CreateElement("meta-data");
-               e.SetAttribute("name",androidSP, ValOptimizeInitialization);
-               e.SetAttribute("value",androidSP, "true");
-               rootNode.AppendChild(e);
+                var e =  doc.CreateElement("meta-data");
+                e.SetAttribute("name",NamespaceAndroid, ValOptimizeInitialization);
+                e.SetAttribute("value",NamespaceAndroid, "true");
+                rootNode.AppendChild(e);
             }
             
             if (item2 == 0)
             {
                 var e =  doc.CreateElement("meta-data");
-                e.SetAttribute("name",androidSP,ValOptimizeAdLoading);
-                e.SetAttribute("value",androidSP, "true");
+                e.SetAttribute("name",NamespaceAndroid,ValOptimizeAdLoading);
+                e.SetAttribute("value",NamespaceAndroid, "true");
                 rootNode.AppendChild(e);
             }
 
@@ -75,10 +97,55 @@ namespace Guru.Editor
             {
                 rootE.Attributes["package"].Value = PlayerSettings.applicationIdentifier; // 写入包名
             }
-
-            doc.Save(TargetFullPath);
         }
 
+        /// <summary>
+        /// Fix all permissions 
+        /// </summary>
+        /// <param name="doc"></param>
+        private static void SetPermissionMod(XmlDocument doc)
+        {
+            string attName = "uses-permission";
+            string rootName = "manifest";
+            bool isBuild = false;
+            var rootNode = doc.SelectSingleNode(rootName);
+            
+            XmlElement item1 = null;
+            if (rootNode == null)
+            {
+                Debug.LogError($"Can't find root with name {rootName} ...");
+                return;
+            }
+            
+            XmlNodeList permissions = rootNode.SelectNodes(attName);
+            if (permissions != null && permissions.Count > 0)
+            {
+                foreach (XmlElement e in permissions)
+                {
+                    if (e != null)
+                    {
+                        if (e.HasAttribute("android:name"))
+                        {
+                            if (e.Attributes["android:name"].Value == PermissionReadPhoneState) item1 = e;
+                        }
+                    }
+                }
+            }
+
+            isBuild = false;
+            if (item1 == null)
+            {
+                isBuild = true;
+                item1 =  doc.CreateElement(attName);
+            }
+            item1.SetAttribute("name",NamespaceAndroid, PermissionReadPhoneState);
+            item1.SetAttribute("node",NamespaceTools, "remove");
+            if (isBuild) rootNode.AppendChild(item1);
+
+        }
+
+
+
         private static void CopyManifest()
         {
             if (File.Exists(TargetFullPath)) return;