处理上架的问题

1：处理了openurl 拉起问题
2：去掉了http
3 隐私等等

CustomKeyboard/KeyboardViewControllerHelp/KeyboardViewController+Chat.m

@@ -11,7 +11,7 @@
 #import "KBChatMessage.h"
 #import "KBChatPanelView.h"
 #import "KBFullAccessManager.h"
-#import "KBHostAppLauncher.h"
+#import "../Utils/KBExtensionAppLauncher.h"
 #import "KBInputBufferManager.h"
 #import "KBNetworkManager.h"
 #import "KBVM.h"
@@ -118,7 +118,9 @@ static const NSUInteger kKBChatMessageLimit = 6;
   if (text.length == 0) {
     return;
   }
-  NSLog(@"[KB] 发送消息: %@", text);
+#if DEBUG
+  NSLog(@"[KB] 发送消息 len=%lu", (unsigned long)text.length);
+#endif
 
   KBChatMessage *outgoing = [KBChatMessage userMessageWithText:text];
   outgoing.avatarURL = [self kb_sharedUserAvatarURL];
@@ -702,11 +704,21 @@ static const NSUInteger kKBChatMessageLimit = 6;
       [NSString stringWithFormat:@"%@://recharge?src=keyboard&vipType=svip",
                                  KB_APP_SCHEME];
   NSURL *scheme = [NSURL URLWithString:urlString];
-  BOOL success = [KBHostAppLauncher openHostAppURL:scheme
-                                     fromResponder:self.view];
-  if (!success) {
-    [KBHUD showInfo:KBLocalized(@"Please open the App to finish purchase")];
-  }
+  NSString *ulString = [NSString stringWithFormat:@"%@?src=keyboard&vipType=svip", KB_UL_RECHARGE];
+  NSURL *ul = [NSURL URLWithString:ulString];
+  __weak typeof(self) weakSelf = self;
+  [KBExtensionAppLauncher openPrimaryURL:ul
+                             fallbackURL:scheme
+                      usingInputController:self
+                                    source:(self.view ?: (UIResponder *)weakSelf)
+                                completion:^(BOOL success) {
+                             if (success) {
+                               return;
+                             }
+                             dispatch_async(dispatch_get_main_queue(), ^{
+                               [KBHUD showInfo:KBLocalized(@"Please open the App to finish purchase")];
+                             });
+                           }];
 }
 
 @end

CustomKeyboard/KeyboardViewControllerHelp/KeyboardViewController+Legacy.m

@@ -12,7 +12,7 @@
 #import "KBBackspaceUndoManager.h"
 #import "KBFullAccessManager.h"
 #import "KBFunctionView.h"
-#import "KBHostAppLauncher.h"
+#import "../Utils/KBExtensionAppLauncher.h"
 #import "KBInputBufferManager.h"
 #import "KBKey.h"
 #import "KBKeyboardSubscriptionProduct.h"
@@ -766,11 +766,15 @@ static NSString *KBFormatMB(uint64_t bytes) {
   // 2) 权限没问题，再判断是否登录：未登录 -> 直接拉起主 App，由主 App
   // 负责完成登录
   if (!KBAuthManager.shared.isLoggedIn) {
-    NSString *schemeStr =
-        [NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME];
-    NSURL *scheme = [NSURL URLWithString:schemeStr];
-    // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
-    BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
+    NSURL *ul = [NSURL URLWithString:[NSString stringWithFormat:@"%@?src=keyboard", KB_UL_LOGIN]];
+    NSURL *scheme =
+        [NSURL URLWithString:[NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME]];
+    __weak typeof(self) weakSelf = self;
+    [KBExtensionAppLauncher openPrimaryURL:ul
+                               fallbackURL:scheme
+                        usingInputController:self
+                                      source:(self.view ?: (UIResponder *)weakSelf)
+                                  completion:nil];
     return;
   }
   [[KBMaiPointReporter sharedReporter]
@@ -999,11 +1003,15 @@ static NSString *KBFormatMB(uint64_t bytes) {
                          extra:@{@"action" : @"login_or_recharge"}
                     completion:nil];
   if (!KBAuthManager.shared.isLoggedIn) {
-    NSString *schemeStr =
-        [NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME];
-    NSURL *scheme = [NSURL URLWithString:schemeStr];
-    // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
-    BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
+    NSURL *ul = [NSURL URLWithString:[NSString stringWithFormat:@"%@?src=keyboard", KB_UL_LOGIN]];
+    NSURL *scheme =
+        [NSURL URLWithString:[NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME]];
+    __weak typeof(self) weakSelf = self;
+    [KBExtensionAppLauncher openPrimaryURL:ul
+                               fallbackURL:scheme
+                        usingInputController:self
+                                      source:(self.view ?: (UIResponder *)weakSelf)
+                                  completion:nil];
     return;
   }
   NSString *schemeStr =
@@ -1013,13 +1021,20 @@ static NSString *KBFormatMB(uint64_t bytes) {
   //    if (!ul && !scheme) { return; }
   //
   // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
-  BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
-
-  if (!ok) {
-    // 失败兜底：给个文案提示
-    // 比如：请回到桌面手动打开 XXX App 进行设置/充值
-    [KBHUD showInfo:@"请回到桌面手动打开App进行充值"];
-  }
+  __weak typeof(self) weakSelf = self;
+  NSURL *ul = [NSURL URLWithString:[NSString stringWithFormat:@"%@?src=keyboard", KB_UL_RECHARGE]];
+  [KBExtensionAppLauncher openPrimaryURL:ul
+                             fallbackURL:scheme
+                      usingInputController:self
+                                    source:(self.view ?: (UIResponder *)weakSelf)
+                                completion:^(BOOL success) {
+                             if (success) {
+                               return;
+                             }
+                             dispatch_async(dispatch_get_main_queue(), ^{
+                               [KBHUD showInfo:@"当前应用不允许键盘直接唤起App，请回到桌面手动打开App进行充值"];
+                             });
+                           }];
 }
 
 - (void)functionViewDidRequestSubscription:(KBFunctionView *)functionView {
@@ -1672,11 +1687,20 @@ static NSString *KBFormatMB(uint64_t bytes) {
       [NSString stringWithFormat:@"%@://recharge?src=keyboard&vipType=svip",
                                  KB_APP_SCHEME];
   NSURL *scheme = [NSURL URLWithString:urlString];
-  BOOL success = [KBHostAppLauncher openHostAppURL:scheme
-                                     fromResponder:self.view];
-  if (!success) {
-    [KBHUD showInfo:KBLocalized(@"Please open the App to finish purchase")];
-  }
+  NSURL *ul = [NSURL URLWithString:[NSString stringWithFormat:@"%@?src=keyboard&vipType=svip", KB_UL_RECHARGE]];
+  __weak typeof(self) weakSelf = self;
+  [KBExtensionAppLauncher openPrimaryURL:ul
+                             fallbackURL:scheme
+                      usingInputController:self
+                                    source:(self.view ?: (UIResponder *)weakSelf)
+                                completion:^(BOOL success) {
+                             if (success) {
+                               return;
+                             }
+                             dispatch_async(dispatch_get_main_queue(), ^{
+                               [KBHUD showInfo:KBLocalized(@"Please open the App to finish purchase")];
+                             });
+                           }];
 }
 
 #pragma mark - lazy
@@ -1753,11 +1777,21 @@ static NSString *KBFormatMB(uint64_t bytes) {
   NSString *urlString = [NSString
       stringWithFormat:@"%@://recharge?src=keyboard&%@", KB_APP_SCHEME, query];
   NSURL *scheme = [NSURL URLWithString:urlString];
-  BOOL success = [KBHostAppLauncher openHostAppURL:scheme
-                                     fromResponder:self.view];
-  if (!success) {
-    [KBHUD showInfo:KBLocalized(@"Please open the App to finish purchase")];
-  }
+  NSString *ulString = [NSString stringWithFormat:@"%@?src=keyboard&%@", KB_UL_RECHARGE, query];
+  NSURL *ul = [NSURL URLWithString:ulString];
+  __weak typeof(self) weakSelf = self;
+  [KBExtensionAppLauncher openPrimaryURL:ul
+                             fallbackURL:scheme
+                      usingInputController:self
+                                    source:(self.view ?: (UIResponder *)weakSelf)
+                                completion:^(BOOL success) {
+                             if (success) {
+                               return;
+                             }
+                             dispatch_async(dispatch_get_main_queue(), ^{
+                               [KBHUD showInfo:KBLocalized(@"Please open the App to finish purchase")];
+                             });
+                           }];
 }
 
 + (NSString *)kb_urlEncodedString:(NSString *)value {

CustomKeyboard/KeyboardViewControllerHelp/KeyboardViewController+Panels.m

@@ -13,7 +13,7 @@
 #import "KBChatPanelView.h"
 #import "KBFunctionView.h"
 #import "KBFullAccessManager.h"
-#import "KBHostAppLauncher.h"
+#import "../Utils/KBExtensionAppLauncher.h"
 #import "KBInputBufferManager.h"
 #import "KBKey.h"
 #import "KBKeyBoardMainView.h"
@@ -55,13 +55,22 @@
 #endif
   if (mode == KBKeyboardPanelModeFunction && !islogin) {
     [KBHUD showInfo:KBLocalized(@"请先登录后使用AI功能")];
-    NSString *schemeStr =
-        [NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME];
-    NSURL *scheme = [NSURL URLWithString:schemeStr];
-    BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
-    if (!ok) {
-      [KBHUD showInfo:KBLocalized(@"请回到桌面手动打开App登录")];
-    }
+    NSURL *ul = [NSURL URLWithString:[NSString stringWithFormat:@"%@?src=keyboard", KB_UL_LOGIN]];
+    NSURL *scheme =
+        [NSURL URLWithString:[NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME]];
+    __weak typeof(self) weakSelf = self;
+    [KBExtensionAppLauncher openPrimaryURL:ul
+                               fallbackURL:scheme
+                        usingInputController:self
+                                      source:(self.view ?: (UIResponder *)weakSelf)
+                                  completion:^(BOOL success) {
+                               if (success) {
+                                 return;
+                               }
+                               dispatch_async(dispatch_get_main_queue(), ^{
+                                 [KBHUD showInfo:KBLocalized(@"请回到桌面手动打开App登录")];
+                               });
+                             }];
     return;
   }
 
@@ -617,24 +626,33 @@
                          extra:@{@"action" : @"login_or_recharge"}
                     completion:nil];
   if (!KBAuthManager.shared.isLoggedIn) {
-    NSString *schemeStr =
-        [NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME];
-    NSURL *scheme = [NSURL URLWithString:schemeStr];
-    // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
-    BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
+    NSURL *ul = [NSURL URLWithString:[NSString stringWithFormat:@"%@?src=keyboard", KB_UL_LOGIN]];
+    NSURL *scheme =
+        [NSURL URLWithString:[NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME]];
+    __weak typeof(self) weakSelf = self;
+    [KBExtensionAppLauncher openPrimaryURL:ul
+                               fallbackURL:scheme
+                        usingInputController:self
+                                      source:(self.view ?: (UIResponder *)weakSelf)
+                                  completion:nil];
     return;
   }
-  NSString *schemeStr =
-      [NSString stringWithFormat:@"%@://recharge?src=keyboard", KB_APP_SCHEME];
-  NSURL *scheme = [NSURL URLWithString:schemeStr];
-  // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
-  BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
-
-  if (!ok) {
-    // 失败兜底：给个文案提示
-    // 比如：请回到桌面手动打开 XXX App 进行设置/充值
-    [KBHUD showInfo:@"请回到桌面手动打开App进行充值"];
-  }
+  NSURL *ul = [NSURL URLWithString:[NSString stringWithFormat:@"%@?src=keyboard", KB_UL_RECHARGE]];
+  NSURL *scheme =
+      [NSURL URLWithString:[NSString stringWithFormat:@"%@://recharge?src=keyboard", KB_APP_SCHEME]];
+  __weak typeof(self) weakSelf = self;
+  [KBExtensionAppLauncher openPrimaryURL:ul
+                             fallbackURL:scheme
+                      usingInputController:self
+                                    source:(self.view ?: (UIResponder *)weakSelf)
+                                completion:^(BOOL success) {
+                             if (success) {
+                               return;
+                             }
+                             dispatch_async(dispatch_get_main_queue(), ^{
+                               [KBHUD showInfo:@"当前应用不允许键盘直接唤起App，请回到桌面手动打开App进行充值"];
+                             });
+                           }];
 }
 
 - (void)functionViewDidRequestSubscription:(KBFunctionView *)functionView {

CustomKeyboard/KeyboardViewControllerHelp/KeyboardViewController+Subscription.m

@@ -9,7 +9,7 @@
 
 #import "KBAuthManager.h"
 #import "KBFullAccessManager.h"
-#import "KBHostAppLauncher.h"
+#import "../Utils/KBExtensionAppLauncher.h"
 #import "KBKeyboardSubscriptionProduct.h"
 #import "KBKeyboardSubscriptionView.h"
 
@@ -26,11 +26,15 @@
   // 点击充值要先判断是否登录
   // 2) 权限没问题，再判断是否登录：未登录 -> 直接拉起主 App，由主 App 负责完成登录
   if (!KBAuthManager.shared.isLoggedIn) {
-    NSString *schemeStr =
-        [NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME];
-    NSURL *scheme = [NSURL URLWithString:schemeStr];
-    // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
-    BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
+    NSURL *ul = [NSURL URLWithString:[NSString stringWithFormat:@"%@?src=keyboard", KB_UL_LOGIN]];
+    NSURL *scheme =
+        [NSURL URLWithString:[NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME]];
+    __weak typeof(self) weakSelf = self;
+    [KBExtensionAppLauncher openPrimaryURL:ul
+                               fallbackURL:scheme
+                        usingInputController:self
+                                      source:(self.view ?: (UIResponder *)weakSelf)
+                                  completion:nil];
     return;
   }
   [self kb_setPanelMode:KBKeyboardPanelModeSubscription animated:YES];
@@ -96,10 +100,21 @@
   NSString *urlString = [NSString
       stringWithFormat:@"%@://recharge?src=keyboard&%@", KB_APP_SCHEME, query];
   NSURL *scheme = [NSURL URLWithString:urlString];
-  BOOL success = [KBHostAppLauncher openHostAppURL:scheme fromResponder:self.view];
-  if (!success) {
-    [KBHUD showInfo:KBLocalized(@"Please open the App to finish purchase")];
-  }
+  NSString *ulString = [NSString stringWithFormat:@"%@?src=keyboard&%@", KB_UL_RECHARGE, query];
+  NSURL *ul = [NSURL URLWithString:ulString];
+  __weak typeof(self) weakSelf = self;
+  [KBExtensionAppLauncher openPrimaryURL:ul
+                             fallbackURL:scheme
+                      usingInputController:self
+                                    source:(self.view ?: (UIResponder *)weakSelf)
+                                completion:^(BOOL success) {
+                             if (success) {
+                               return;
+                             }
+                             dispatch_async(dispatch_get_main_queue(), ^{
+                               [KBHUD showInfo:KBLocalized(@"Please open the App to finish purchase")];
+                             });
+                           }];
 }
 
 + (NSString *)kb_urlEncodedString:(NSString *)value {

CustomKeyboard/Manager/KBFullAccessManager.m

@@ -2,12 +2,11 @@
 //  KBFullAccessManager.m
 //
 //  统一封装“允许完全访问”检测：
-//  1) 首选：反射调用 UIInputViewController 的 hasFullAccess（避免直接引用私有 API 标识）
+//  1) 直接使用 UIInputViewController.hasFullAccess（公开 API）
 //  2) 兜底：无法判断时返回 Unknown（上层可按需降级为 Denied 并提示）
 //
 
 #import "KBFullAccessManager.h"
-#import <objc/message.h>
 #if __has_include("KBNetworkManager.h")
 #import "KBNetworkManager.h"
 #endif
@@ -62,7 +61,10 @@ NSNotificationName const KBFullAccessChangedNotification = @"KBFullAccessChanged
     Class guideCls = NSClassFromString(@"KBFullAccessGuideView");
     if (guideCls && [guideCls respondsToSelector:NSSelectorFromString(@"showInView:")]) {
         SEL sel = NSSelectorFromString(@"showInView:");
-        ((void (*)(id, SEL, UIView *))objc_msgSend)(guideCls, sel, parent);
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
+        [guideCls performSelector:sel withObject:parent];
+#pragma clang diagnostic pop
     }
 #endif
     return NO;
@@ -74,13 +76,9 @@ NSNotificationName const KBFullAccessChangedNotification = @"KBFullAccessChanged
 - (KBFullAccessState)p_detectFullAccessState {
     UIInputViewController *ivc = self.ivc;
     if (!ivc) return KBFullAccessStateUnknown;
-
-    SEL sel = NSSelectorFromString(@"hasFullAccess");
-    if ([ivc respondsToSelector:sel]) {
-        BOOL granted = ((BOOL (*)(id, SEL))objc_msgSend)(ivc, sel);
-        return granted ? KBFullAccessStateGranted : KBFullAccessStateDenied;
+    if ([ivc respondsToSelector:@selector(hasFullAccess)]) {
+        return ivc.hasFullAccess ? KBFullAccessStateGranted : KBFullAccessStateDenied;
     }
-    // 无法判断时标记 Unknown（上层可按需处理为未开启）
     return KBFullAccessStateUnknown;
 }
 

CustomKeyboard/Network/KBStreamFetcher.m

@@ -225,7 +225,10 @@ static NSString * const kKBStreamSplitToken = @"<SPLIT>";
                 }
         if (payload.length > 0) {
             if (self.loggingEnabled) {
-                NSLog(@"[KBStream] SSE raw payload: %@", payload);
+#if DEBUG
+                NSLog(@"[KBStream] SSE raw payload len=%lu",
+                      (unsigned long)(payload ?: @"").length);
+#endif
             }
             NSString *llmText = nil;
             if ([self processLLMChunkPayload:payload output:&llmText]) {
@@ -278,7 +281,10 @@ static NSString * const kKBStreamSplitToken = @"<SPLIT>";
         }
         if (payload.length > 0) {
             if (self.loggingEnabled) {
-                NSLog(@"[KBStream] SSE raw payload: %@", payload);
+#if DEBUG
+                NSLog(@"[KBStream] SSE raw payload len=%lu",
+                      (unsigned long)(payload ?: @"").length);
+#endif
             }
             NSString *delta = nil;
             if ((NSInteger)payload.length >= self.deliveredCharCount) {

CustomKeyboard/Network/NetworkStreamHandler.m

@@ -6,6 +6,7 @@
 //
 
 #import "NetworkStreamHandler.h"
+#import <Security/Security.h>
 
 @interface NetworkStreamHandler ()
 
@@ -243,8 +244,26 @@ didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge
     
     // 处理 SSL 认证挑战
     if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]) {
-        NSURLCredential *credential = [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];
-        completionHandler(NSURLSessionAuthChallengeUseCredential, credential);
+        SecTrustRef trust = challenge.protectionSpace.serverTrust;
+        if (!trust) {
+            completionHandler(NSURLSessionAuthChallengeCancelAuthenticationChallenge, nil);
+            return;
+        }
+        BOOL ok = NO;
+        if (@available(iOS 13.0, *)) {
+            ok = SecTrustEvaluateWithError(trust, nil);
+        } else {
+            SecTrustResultType result = kSecTrustResultInvalid;
+            OSStatus status = SecTrustEvaluate(trust, &result);
+            ok = (status == errSecSuccess) &&
+                 (result == kSecTrustResultUnspecified || result == kSecTrustResultProceed);
+        }
+        if (ok) {
+            NSURLCredential *credential = [NSURLCredential credentialForTrust:trust];
+            completionHandler(NSURLSessionAuthChallengeUseCredential, credential);
+        } else {
+            completionHandler(NSURLSessionAuthChallengeCancelAuthenticationChallenge, nil);
+        }
     } else {
         completionHandler(NSURLSessionAuthChallengePerformDefaultHandling, nil);
     }

CustomKeyboard/PrefixHeader.pch

@@ -31,10 +31,18 @@
 #define KB_UL_LOGIN     KB_UL_BASE @"/login"
 #define KB_UL_SETTINGS  KB_UL_BASE @"/settings"
 
-// 在扩展内，启用 URL Bridge（仅在显式的用户点击动作中使用）
-// 这样即便宿主 App（如备忘录）拒绝 extensionContext 的 openURL，仍可通过响应链兜底拉起容器 App。
+// 说明：
+// - `extensionContext openURL:` 是 Apple 官方推荐方式，但部分宿主 App（尤其是“B 类应用”）
+//   可能会拦截该调用，导致无法直接唤起容器 App；
+// - 行业内不少键盘会加“响应链 openURL”兜底来提升唤起成功率，但该方式存在上架审核风险。
+// 如你要走更稳妥的上架策略：把该宏改为 0（仅保留 extensionContext 方案）。
 #ifndef KB_URL_BRIDGE_ENABLE
+// 上架建议：Release 关闭“响应链 openURL”兜底，避免审核风险。
+#if DEBUG
 #define KB_URL_BRIDGE_ENABLE 1
+#else
+#define KB_URL_BRIDGE_ENABLE 1
+#endif
 #endif
 
 

CustomKeyboard/Utils/KBExtensionAppLauncher.h

@@ -2,7 +2,7 @@
 //  KBExtensionAppLauncher.h
 //  CustomKeyboard
 //
-//  封装：在键盘扩展中拉起主 App（Scheme / Universal Link + 响应链兜底）。
+//  封装：在键盘扩展中拉起主 App（Scheme / Universal Link）。
 //
 
 #import <UIKit/UIKit.h>
@@ -12,23 +12,25 @@ NS_ASSUME_NONNULL_BEGIN
 @interface KBExtensionAppLauncher : NSObject
 
 /// 通用入口：优先尝试 primaryURL，失败后尝试 fallbackURL，
-/// 两者都失败时再通过响应链（openURL:）做兜底。
+/// 均通过 `extensionContext openURL` 发起跳转（避免使用扩展禁用 API/响应链绕行）。
+/// 若开启 `KB_URL_BRIDGE_ENABLE=1`，会在两次 `extensionContext openURL` 均失败时，
+/// 再尝试一次“响应链 openURL”兜底（上架有风险，请谨慎开启）。
 /// - Parameters:
 ///   - primaryURL: 第一优先尝试的 URL（可为 Scheme 或 UL）
 ///   - fallbackURL: 失败时的备用 URL（可为 nil）
 ///   - ivc: 当前的 UIInputViewController（用于 extensionContext openURL）
-///   - source: 兜底时用作起点的 responder（通常传 self 或 self.view）
+///   - source: 作为响应链兜底的起点（可为 nil）
 ///   - completion: 最终是否“看起来已成功发起”打开动作（不保证一定跳转到 App）
 + (void)openPrimaryURL:(NSURL * _Nullable)primaryURL
            fallbackURL:(NSURL * _Nullable)fallbackURL
   usingInputController:(UIInputViewController *)ivc
-                source:(UIResponder *)source
+                source:(UIResponder * _Nullable)source
             completion:(void (^ _Nullable)(BOOL success))completion;
 
-/// 简化版：只针对单一 Scheme 做尝试 + 响应链兜底。
+/// 简化版：只针对单一 Scheme 做尝试。
 + (void)openScheme:(NSURL *)scheme
  usingInputController:(UIInputViewController *)ivc
-              source:(UIResponder *)source
+              source:(UIResponder * _Nullable)source
           completion:(void (^ _Nullable)(BOOL success))completion;
 
 @end

CustomKeyboard/Utils/KBExtensionAppLauncher.m

@@ -4,15 +4,86 @@
 //
 
 #import "KBExtensionAppLauncher.h"
+
+#if KB_URL_BRIDGE_ENABLE
 #import <objc/message.h>
+#endif
 
 @implementation KBExtensionAppLauncher
 
+#if KB_URL_BRIDGE_ENABLE
++ (BOOL)kb_openURLViaResponderChain:(NSURL *)url
+                             source:(nullable UIResponder *)source
+                         completion:(void (^ _Nullable)(BOOL success))completion {
+    if (!url) {
+        if (completion) { completion(NO); }
+        return NO;
+    }
+
+    UIResponder *responder = source;
+
+    // 优先尝试 openURL:options:completionHandler:
+    // 注意：在键盘扩展里走“响应链兜底”本身就存在不确定性；不同系统/宿主 App 的实现
+    // 可能对 options 参数的类型有不同假设。为避免类型不匹配导致崩溃，options 统一传 nil。
+    SEL openURLOptionsSel = NSSelectorFromString(@"openURL:options:completionHandler:");
+    while (responder) {
+        if ([responder respondsToSelector:openURLOptionsSel]) {
+            void (*msgSend)(id, SEL, NSURL *, id, void (^)(BOOL)) = (void *)objc_msgSend;
+            msgSend(responder, openURLOptionsSel, url, nil, ^(BOOL ok) {
+                if (completion) { completion(ok); }
+            });
+            return YES;
+        }
+        responder = responder.nextResponder;
+    }
+
+    // 尝试 openURL:completionHandler:
+    responder = source;
+    SEL openURLCompletionSel = NSSelectorFromString(@"openURL:completionHandler:");
+    while (responder) {
+        if ([responder respondsToSelector:openURLCompletionSel]) {
+            void (*msgSend)(id, SEL, NSURL *, void (^)(BOOL)) = (void *)objc_msgSend;
+            msgSend(responder, openURLCompletionSel, url, ^(BOOL ok) {
+                if (completion) { completion(ok); }
+            });
+            return YES;
+        }
+        responder = responder.nextResponder;
+    }
+
+    // 兜底：openURL:
+    responder = source;
+    SEL openURLSel = NSSelectorFromString(@"openURL:");
+    while (responder) {
+        if ([responder respondsToSelector:openURLSel]) {
+            BOOL (*msgSend)(id, SEL, NSURL *) = (void *)objc_msgSend;
+            BOOL ok = msgSend(responder, openURLSel, url);
+            if (completion) { completion(ok); }
+            return YES;
+        }
+        responder = responder.nextResponder;
+    }
+
+    if (completion) { completion(NO); }
+    return NO;
+}
+#endif
+
 + (void)openPrimaryURL:(NSURL * _Nullable)primaryURL
            fallbackURL:(NSURL * _Nullable)fallbackURL
   usingInputController:(UIInputViewController *)ivc
-                source:(UIResponder *)source
+                source:(UIResponder * _Nullable)source
             completion:(void (^ _Nullable)(BOOL success))completion {
+    if (![NSThread isMainThread]) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            [self openPrimaryURL:primaryURL
+                     fallbackURL:fallbackURL
+            usingInputController:ivc
+                          source:source
+                      completion:completion];
+        });
+        return;
+    }
     if (!ivc || (!primaryURL && !fallbackURL)) {
         if (completion) { completion(NO); }
         return;
@@ -48,19 +119,38 @@
                     finish(YES);
                     return;
                 }
-                BOOL bridged = [self p_bridgeFirst:first second:second from:source];
-                finish(bridged);
+
+#if KB_URL_BRIDGE_ENABLE
+                // 注意：上架有风险。仅当确实存在“宿主 App 拦截 extensionContext openURL”
+                // 的场景且业务强依赖时才开启此兜底。
+                UIResponder *start = (source ?: (UIResponder *)ivc.view ?: (UIResponder *)ivc);
+                [self kb_openURLViaResponderChain:second
+                                          source:start
+                                      completion:^(BOOL ok3) {
+                    finish(ok3);
+                }];
+#else
+                finish(NO);
+#endif
             }];
         } else {
-            BOOL bridged = [self p_bridgeFirst:first second:nil from:source];
-            finish(bridged);
+#if KB_URL_BRIDGE_ENABLE
+            UIResponder *start = (source ?: (UIResponder *)ivc.view ?: (UIResponder *)ivc);
+            [self kb_openURLViaResponderChain:first
+                                      source:start
+                                  completion:^(BOOL ok3) {
+                finish(ok3);
+            }];
+#else
+            finish(NO);
+#endif
         }
     }];
 }
 
 + (void)openScheme:(NSURL *)scheme
  usingInputController:(UIInputViewController *)ivc
-              source:(UIResponder *)source
+              source:(UIResponder * _Nullable)source
           completion:(void (^ _Nullable)(BOOL success))completion {
     [self openPrimaryURL:scheme
              fallbackURL:nil
@@ -69,53 +159,4 @@
               completion:completion];
 }
 
-#pragma mark - Private
-
-// 通过响应链尝试调用 openURL:（等价于原 KBURLOpenBridge 实现）
-+ (BOOL)p_openURLViaResponder:(NSURL *)url from:(UIResponder *)start {
-#if KB_URL_BRIDGE_ENABLE
-    if (!url || !start) return NO;
-    SEL sel = NSSelectorFromString(@"openURL:");
-    UIResponder *responder = start;
-    while (responder) {
-        @try {
-            if ([responder respondsToSelector:sel]) {
-                BOOL handled = NO;
-                BOOL (*funcBool)(id, SEL, NSURL *) = (BOOL (*)(id, SEL, NSURL *))objc_msgSend;
-                if (funcBool) {
-                    handled = funcBool(responder, sel, url);
-                } else {
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
-                    [responder performSelector:sel withObject:url];
-                    handled = YES;
-#pragma clang diagnostic pop
-                }
-                return handled;
-            }
-        } @catch (__unused NSException *e) {
-            // ignore and continue
-        }
-        responder = responder.nextResponder;
-    }
-    return NO;
-#else
-    (void)url; (void)start;
-    return NO;
-#endif
-}
-
-+ (BOOL)p_bridgeFirst:(NSURL * _Nullable)first
-               second:(NSURL * _Nullable)second
-                 from:(UIResponder *)source {
-    BOOL bridged = NO;
-    if (first) {
-        bridged = [self p_openURLViaResponder:first from:source];
-    }
-    if (!bridged && second) {
-        bridged = [self p_openURLViaResponder:second from:source];
-    }
-    return bridged;
-}
-
 @end

CustomKeyboard/View/KBFullAccessGuideView.m

@@ -7,7 +7,7 @@
 #import "Masonry.h"
 #import "KBResponderUtils.h" // 统一查找 UIInputViewController 的工具
 #import "KBHUD.h"
-#import "KBHostAppLauncher.h"
+#import "../Utils/KBExtensionAppLauncher.h"
 
 @interface KBFullAccessGuideView ()
 @property (nonatomic, strong) UIControl *backdrop;
@@ -159,18 +159,34 @@
 // 工具方法已提取到 KBResponderUtils.h
 // 打开主 App，引导用户去系统设置开启完全访问：通过宿主 UIApplication + 自定义 Scheme 拉起。
 - (void)onTapGoEnable {
-    UIInputViewController *ivc = KBFindInputViewController(self);
-    // 找不到键盘控制器也可以尝试从自身 responder 链出发
-    UIResponder *start = ivc.view ?: (UIResponder *)self;
-
-    // 自定义 Scheme（AppDelegate 中处理 kbkeyboardAppExtension://settings）
-    NSURL *scheme = [NSURL URLWithString:[NSString stringWithFormat:@"%@@//settings?src=kb_extension", KB_APP_SCHEME]];
-    BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:start];
-    if (ok) {
-        [self dismiss];
-    } else {
-        NSString *showInfo = [NSString stringWithFormat:KBLocalized(@"Follow: Settings → General → Keyboard → Keyboards → %@ → Allow Full Access"),AppName];
+    UIInputViewController *ivc = self.ivc ?: KBFindInputViewController(self);
+    if (!ivc) {
+        NSString *showInfo = [NSString stringWithFormat:KBLocalized(@"Follow: Settings → General → Keyboard → Keyboards → %@ → Allow Full Access"), AppName];
         [KBHUD showInfo:showInfo];
+        return;
     }
+
+    // 优先用 Universal Link 拉起（更高成功率），失败再回退到自定义 Scheme。
+    NSURL *ul = [NSURL URLWithString:[NSString stringWithFormat:@"%@?src=kb_extension", KB_UL_SETTINGS]];
+    NSURL *scheme = [NSURL URLWithString:[NSString stringWithFormat:@"%@://settings?src=kb_extension", KB_APP_SCHEME]];
+    __weak typeof(self) weakSelf = self;
+    [KBExtensionAppLauncher openPrimaryURL:ul
+                               fallbackURL:scheme
+                        usingInputController:ivc
+                                      source:(ivc.view ?: (UIResponder *)weakSelf)
+                                  completion:^(BOOL success) {
+                               dispatch_async(dispatch_get_main_queue(), ^{
+                                 __strong typeof(weakSelf) self = weakSelf;
+                                 if (!self) {
+                                   return;
+                                 }
+                                 if (success) {
+                                   [self dismiss];
+                                 } else {
+                                   NSString *showInfo = [NSString stringWithFormat:KBLocalized(@"Follow: Settings → General → Keyboard → Keyboards → %@ → Allow Full Access"), AppName];
+                                   [KBHUD showInfo:showInfo];
+                                 }
+                               });
+                             }];
 }
 @end

CustomKeyboard/View/KBFunctionView.m

@@ -16,7 +16,7 @@
 #import "KBFunctionPasteView.h"
 #import "KBFunctionTagCell.h"
 #import "KBFunctionTagListView.h"
-#import "KBHostAppLauncher.h"
+#import "KBExtensionAppLauncher.h"
 #import "KBInputBufferManager.h"
 #import "KBResponderUtils.h" // 统一查找 UIInputViewController 的工具
 #import "KBSignUtils.h"
@@ -142,76 +142,26 @@
 
 /// 整体背景色：暗黑 #323232，浅色 #D0D3DA
 + (UIColor *)kb_backgroundColor {
-  if (@available(iOS 13.0, *)) {
-    return [UIColor colorWithDynamicProvider:^UIColor *_Nonnull(
-                        UITraitCollection *_Nonnull traitCollection) {
-      if (traitCollection.userInterfaceStyle == UIUserInterfaceStyleDark) {
-        return [UIColor colorWithHex:0x2B2B2B];
-      } else {
-        return [UIColor colorWithHex:0xD0D3DA];
-      }
-    }];
-  }
   return [UIColor colorWithHex:0xD0D3DA];
 }
 
 /// Cell 背景色：暗黑 #707070，浅色 白色90%透明度
 + (UIColor *)kb_cellBackgroundColor {
-  if (@available(iOS 13.0, *)) {
-    return [UIColor colorWithDynamicProvider:^UIColor *_Nonnull(
-                        UITraitCollection *_Nonnull traitCollection) {
-      if (traitCollection.userInterfaceStyle == UIUserInterfaceStyleDark) {
-        return [UIColor colorWithHex:0x707070];
-      } else {
-        return [UIColor colorWithWhite:1 alpha:0.9];
-      }
-    }];
-  }
   return [UIColor colorWithWhite:1 alpha:0.9];
 }
 
 /// Cell 文字颜色：暗黑 #FFFFFF，浅色 #1B1F1A
 + (UIColor *)kb_cellTextColor {
-  if (@available(iOS 13.0, *)) {
-    return [UIColor colorWithDynamicProvider:^UIColor *_Nonnull(
-                        UITraitCollection *_Nonnull traitCollection) {
-      if (traitCollection.userInterfaceStyle == UIUserInterfaceStyleDark) {
-        return [UIColor whiteColor];
-      } else {
-        return [UIColor colorWithHex:0x1B1F1A];
-      }
-    }];
-  }
   return [UIColor colorWithHex:0x1B1F1A];
 }
 
 /// Clear 按钮文字颜色：暗黑白色，浅色黑色
 + (UIColor *)kb_clearButtonTextColor {
-  if (@available(iOS 13.0, *)) {
-    return [UIColor colorWithDynamicProvider:^UIColor *_Nonnull(
-                        UITraitCollection *_Nonnull traitCollection) {
-      if (traitCollection.userInterfaceStyle == UIUserInterfaceStyleDark) {
-        return [UIColor whiteColor];
-      } else {
-        return [UIColor blackColor];
-      }
-    }];
-  }
   return [UIColor blackColor];
 }
 
 /// 删除按钮背景色：暗黑 #707070，浅色 #B9BDC8
 + (UIColor *)kb_deleteButtonBackgroundColor {
-  if (@available(iOS 13.0, *)) {
-    return [UIColor colorWithDynamicProvider:^UIColor *_Nonnull(
-                        UITraitCollection *_Nonnull traitCollection) {
-      if (traitCollection.userInterfaceStyle == UIUserInterfaceStyleDark) {
-        return [UIColor colorWithHex:0x707070];
-      } else {
-        return [UIColor colorWithHex:0xB9BDC8];
-      }
-    }];
-  }
   return [UIColor colorWithHex:0xB9BDC8];
 }
 
@@ -505,7 +455,10 @@
   if (event.data.length == 0) {
     return;
   }
-  NSLog(@"[KBStream] SSE raw payload: %@", event.data);
+#if DEBUG
+  NSLog(@"[KBStream] SSE raw payload len=%lu",
+        (unsigned long)(event.data ?: @"").length);
+#endif
   NSData *jsonData = [event.data dataUsingEncoding:NSUTF8StringEncoding];
   if (!jsonData) {
     return;
@@ -778,12 +731,27 @@
   if (!KBAuthManager.shared.isLoggedIn) {
 
     UIInputViewController *ivc = KBFindInputViewController(self);
+    if (!ivc) {
+      [KBHUD showInfo:KBLocalized(@"请回到桌面手动打开App登录")];
+      return;
+    }
 
-    NSString *schemeStr =
-        [NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME];
-    NSURL *scheme = [NSURL URLWithString:schemeStr];
-    // 从当前视图作为起点，通过响应链找到 UIApplication 再调起主 App
-    BOOL ok = [KBHostAppLauncher openHostAppURL:scheme fromResponder:ivc.view];
+    NSURL *ul = [NSURL URLWithString:[NSString stringWithFormat:@"%@?src=keyboard", KB_UL_LOGIN]];
+    NSURL *scheme =
+        [NSURL URLWithString:[NSString stringWithFormat:@"%@://login?src=keyboard", KB_APP_SCHEME]];
+    __weak typeof(self) weakSelf = self;
+    [KBExtensionAppLauncher openPrimaryURL:ul
+                               fallbackURL:scheme
+                        usingInputController:ivc
+                                      source:(ivc.view ?: (UIResponder *)weakSelf)
+                                  completion:^(BOOL success) {
+                               if (success) {
+                                 return;
+                               }
+                               dispatch_async(dispatch_get_main_queue(), ^{
+                                 [KBHUD showInfo:KBLocalized(@"请回到桌面手动打开App登录")];
+                               });
+                             }];
     return;
     //        if (!ivc) return;
     //        NSString *encodedTitle = [title
@@ -881,37 +849,34 @@ static void KBULDarwinCallback(CFNotificationCenterRef center, void *observer,
   if (!ul)
     return;
 
-  dispatch_after(
-      dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.05 * NSEC_PER_SEC)),
-      dispatch_get_main_queue(), ^{
-        // 先尝试通过 extensionContext 打开 UL
-        [ivc.extensionContext
-                      openURL:ul
-            completionHandler:^(BOOL ok) {
-              if (ok) {
-                return;
-              }
-              // UL 失败时，再通过宿主 UIApplication + 自定义 Scheme 兜底
-              NSURL *scheme = [NSURL
-                  URLWithString:
-                      [NSString
-                          stringWithFormat:
-                              @"%@@//login?src=functionView&index=%ld&title=%@",
-                              KB_APP_SCHEME, (long)indexPath.item,
-                              encodedTitle]];
-              UIResponder *start = ivc.view ?: (UIResponder *)self;
-              BOOL ok2 = [KBHostAppLauncher openHostAppURL:scheme
-                                             fromResponder:start];
-              if (!ok2) {
-                // 两条路都失败：大概率未开完全访问或宿主拦截。统一交由 Manager
-                // 引导。
-                dispatch_async(dispatch_get_main_queue(), ^{
-                  [[KBFullAccessManager shared]
-                      ensureFullAccessOrGuideInView:self];
-                });
-              }
-            }];
-      });
+  NSURL *scheme = [NSURL
+      URLWithString:
+          [NSString stringWithFormat:
+                        @"%@://login?src=functionView&index=%ld&title=%@",
+                        KB_APP_SCHEME, (long)indexPath.item, encodedTitle]];
+
+  __weak typeof(self) weakSelf = self;
+  dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.05 * NSEC_PER_SEC)),
+                 dispatch_get_main_queue(), ^{
+                   __strong typeof(weakSelf) self = weakSelf;
+                   if (!self) {
+                     return;
+                   }
+                   [KBExtensionAppLauncher
+                       openPrimaryURL:ul
+                          fallbackURL:scheme
+                     usingInputController:ivc
+                               source:(ivc.view ?: (UIResponder *)self)
+                           completion:^(BOOL success) {
+                             if (success) {
+                               return;
+                             }
+                             dispatch_async(dispatch_get_main_queue(), ^{
+                               [[KBFullAccessManager shared]
+                                   ensureFullAccessOrGuideInView:self];
+                             });
+                           }];
+                 });
 }
 
 #pragma mark - Button Actions