diff --git a/CustomKeyboard/CustomKeyboard.entitlements b/CustomKeyboard/CustomKeyboard.entitlements
index 47b6869..5ea4409 100644
--- a/CustomKeyboard/CustomKeyboard.entitlements
+++ b/CustomKeyboard/CustomKeyboard.entitlements
@@ -2,10 +2,13 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-    <key>keychain-access-groups</key>
-    <array>
-        <string>$(AppIdentifierPrefix)com.loveKey.nyx.shared</string>
-    </array>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.com.loveKey.nyx</string>
+	</array>
+	<key>keychain-access-groups</key>
+	<array>
+		<string>$(AppIdentifierPrefix)com.loveKey.nyx.shared</string>
+	</array>
 </dict>
 </plist>
-
diff --git a/CustomKeyboard/KeyboardViewController.m b/CustomKeyboard/KeyboardViewController.m
index 37bf554..30007f1 100644
--- a/CustomKeyboard/KeyboardViewController.m
+++ b/CustomKeyboard/KeyboardViewController.m
@@ -48,6 +48,10 @@ static CGFloat KEYBOARDHEIGHT = 256 + 20;
         [self kb_applyTheme];
     }];
     [self kb_applyTheme];
+    
+//    NSUserDefaults *sharedDefaults = [[NSUserDefaults alloc] initWithSuiteName:AppGroup];
+//    NSString *value = [sharedDefaults objectForKey:@"TestSharedString"];
+//    NSLog(@"[Keyboard] 读取到的数据: %@", value);
 }
 
 
diff --git a/Shared/KBConfig.h b/Shared/KBConfig.h
index 00b85c6..c242718 100644
--- a/Shared/KBConfig.h
+++ b/Shared/KBConfig.h
@@ -13,9 +13,13 @@
 #import <UIKit/UIKit.h>
 #endif
 
-
+/// APP名称
 #define AppName @"Key of Love"
 
+/// APP Groups
+#define AppGroup @"group.com.loveKey.nyx"
+
+
 // 基础baseUrl
 #ifndef KB_BASE_URL
 //#define KB_BASE_URL @"https://m1.apifoxmock.com/m1/5438099-5113192-default/"
diff --git a/keyBoard/Class/Home/VC/HomeMainVC.m b/keyBoard/Class/Home/VC/HomeMainVC.m
index 4e6c27e..0c77ca7 100644
--- a/keyBoard/Class/Home/VC/HomeMainVC.m
+++ b/keyBoard/Class/Home/VC/HomeMainVC.m
@@ -51,6 +51,13 @@
         KBGuideVC *vc = [KBGuideVC new];
         [weakSelf.navigationController pushViewController:vc animated:true];
     };
+    
+    /// 测试groups
+//    NSUserDefaults *sharedDefaults = [[NSUserDefaults alloc] initWithSuiteName:AppGroup];
+//    // 写入一个简单字符串
+//    [sharedDefaults setObject:@"Hello From Main App" forKey:@"TestSharedString"];
+//    [sharedDefaults synchronize];
+//    NSLog(@"[MainApp] 写入完成");
 }
 
 // 在界面可见后做“首次安装”检查，避免在 viewDidLoad 期间 push 引起的转场警告
diff --git a/keyBoard/keyBoard.entitlements b/keyBoard/keyBoard.entitlements
index eabbbc8..a7f7eb5 100644
--- a/keyBoard/keyBoard.entitlements
+++ b/keyBoard/keyBoard.entitlements
@@ -10,6 +10,10 @@
 	<array>
 		<string>applinks:app.tknb.net</string>
 	</array>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.com.loveKey.nyx</string>
+	</array>
 	<key>keychain-access-groups</key>
 	<array>
 		<string>$(AppIdentifierPrefix)com.loveKey.nyx.shared</string>