diff --git a/CustomKeyboard/Network/KBStreamFetcher.h b/CustomKeyboard/Network/KBStreamFetcher.h
index 6b29832..b89392c 100644
--- a/CustomKeyboard/Network/KBStreamFetcher.h
+++ b/CustomKeyboard/Network/KBStreamFetcher.h
@@ -24,6 +24,12 @@ typedef void (^KBStreamFetcherFinishHandler)(NSError *_Nullable error);
 // 必填：请求地址
 @property (nonatomic, strong) NSURL *url;
 
+/// HTTP Method，默认为 GET
+@property (nonatomic, copy, nullable) NSString *httpMethod;
+
+/// 自定义请求体（例如 POST 的 JSON body）
+@property (nonatomic, strong, nullable) NSData *httpBody;
+
 // 可选 Header
 @property (nonatomic, copy, nullable) NSDictionary<NSString *, NSString *> *extraHeaders;
 
diff --git a/CustomKeyboard/Network/KBStreamFetcher.m b/CustomKeyboard/Network/KBStreamFetcher.m
index 9a1a636..772495f 100644
--- a/CustomKeyboard/Network/KBStreamFetcher.m
+++ b/CustomKeyboard/Network/KBStreamFetcher.m
@@ -55,6 +55,7 @@ static NSUInteger kb_validUTF8PrefixLen(NSData *data) {
 
 - (instancetype)init {
     if (self = [super init]) {
+        _httpMethod = @"GET";
         _acceptEventStream = NO;
         _disableCompression = YES;
         _treatSlashTAsTab = YES;
@@ -83,7 +84,11 @@ static NSUInteger kb_validUTF8PrefixLen(NSData *data) {
     self.session = [NSURLSession sessionWithConfiguration:cfg delegate:self delegateQueue:[NSOperationQueue mainQueue]];
 
     NSMutableURLRequest *req = [NSMutableURLRequest requestWithURL:self.url];
-    req.HTTPMethod = @"GET";
+    NSString *method = self.httpMethod.length > 0 ? self.httpMethod : @"GET";
+    req.HTTPMethod = method;
+    if (self.httpBody.length > 0) {
+        req.HTTPBody = self.httpBody;
+    }
     if (self.disableCompression) { [req setValue:@"identity" forHTTPHeaderField:@"Accept-Encoding"]; }
     if (self.acceptEventStream) { [req setValue:@"text/event-stream" forHTTPHeaderField:@"Accept"]; }
     [req setValue:@"no-cache" forHTTPHeaderField:@"Cache-Control"];
@@ -290,10 +295,10 @@ static NSUInteger kb_validUTF8PrefixLen(NSData *data) {
     if (rawText.length == 0) return;
     // 调试：在任何处理之前打印后端“原始文本分片”，便于对照排查
     if (self.loggingEnabled) {
-        NSLog(@"[KBStream] RAW chunk#%ld len=%lu text=\"%@\"",
-              (long)(self.emittedChunkCount + 1),
-              (unsigned long)rawText.length,
-              KBPrintableSnippet(rawText, 160));
+//        NSLog(@"[KBStream] RAW chunk#%ld len=%lu text=\"%@\"",
+//              (long)(self.emittedChunkCount + 1),
+//              (unsigned long)rawText.length,
+//              KBPrintableSnippet(rawText, 160));
     }
     NSString *text = rawText;
     // 0) 规范化换行与段起始：去掉位于片段开头的 \r/\n；将 "\n\t"、"\r\n\t"、"\r\t" 归一为 "\t"
diff --git a/CustomKeyboard/View/KBFunctionView.m b/CustomKeyboard/View/KBFunctionView.m
index 486ff71..55a215d 100644
--- a/CustomKeyboard/View/KBFunctionView.m
+++ b/CustomKeyboard/View/KBFunctionView.m
@@ -268,7 +268,7 @@
 }
 
 
-#pragma mark - Network Streaming (GET)
+#pragma mark - Network Streaming (POST)
 
 // 后端测试地址（内网）。若被 ATS 拦截，请在扩展 target 的 Info.plist 中允许 HTTP 或添加例外域。
 //static NSString * const kKBStreamDemoURL = @"http://192.168.1.144:7529/api/demo/talk";
@@ -278,23 +278,42 @@
     if (![[KBFullAccessManager shared] hasFullAccess]) { return; }
 
     NSString *apiUrl = [NSString stringWithFormat:@"%@%@", KB_BASE_URL, API_AI_TALK];
-    // 将选中的标签文案作为 seed 透传给后端（通过 query 参数）
-    if (seedTitle.length > 0) {
-        NSString *encodedSeed = [seedTitle stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]] ?: @"";
-        if (encodedSeed.length > 0) {
-            if ([apiUrl containsString:@"?"]) {
-                apiUrl = [apiUrl stringByAppendingFormat:@"&userInput=%@", encodedSeed];
-            } else {
-                apiUrl = [apiUrl stringByAppendingFormat:@"?userInput=%@", encodedSeed];
-            }
-        }
-    }
     NSURL *url = [NSURL URLWithString:apiUrl];
     if (!url) { return; }
 
+    // 组装 POST Body
+    NSInteger characterId = 0;
+    if (self.loadingTagIndex != nil) {
+        NSInteger idx = self.loadingTagIndex.integerValue;
+        if (idx >= 0 && idx < self.modelArray.count) {
+            KBTagItemModel *model = self.modelArray[idx];
+            characterId = model.characterId;
+        }
+    }
+    NSString *message = seedTitle.length > 0 ? seedTitle : @"";
+    NSInteger resolvedCharacterId = (characterId > 0) ? characterId : 75;
+    NSDictionary *payload = @{
+        @"characterId": @(resolvedCharacterId),
+        @"message": message.length > 0 ? message : @"aliqua non cupidatat"
+    };
+    NSError *bodyError = nil;
+    NSData *bodyData = [NSJSONSerialization dataWithJSONObject:payload options:0 error:&bodyError];
+    if (bodyError || bodyData.length == 0) {
+        NSLog(@"[KBFunction] build body failed: %@", bodyError);
+        return;
+    }
+
     self.streamHasOutput = NO; // 重置首段处理标记
     __weak typeof(self) weakSelf = self;
     KBStreamFetcher *fetcher = [KBStreamFetcher fetcherWithURL:url];
+    fetcher.httpMethod = @"POST";
+    fetcher.httpBody = bodyData;
+    NSMutableDictionary *headers = [@{ @"Content-Type": @"application/json" } mutableCopy];
+    NSString *token = KBAuthManager.shared.current.accessToken ?: @"";
+    if (token.length > 0) {
+        headers[@"auth-token"] = token;
+    }
+    fetcher.extraHeaders = headers;
     // 由本类统一做 /t->\t 与首段去 \t，fetcher 只负责增量与协议解析
     fetcher.disableCompression = YES;
     fetcher.acceptEventStream = NO;  // 响应头若是 SSE 仍会自动解析
diff --git a/Shared/KBAPI.h b/Shared/KBAPI.h
index ac9f33f..ce98b77 100644
--- a/Shared/KBAPI.h
+++ b/Shared/KBAPI.h
@@ -49,7 +49,7 @@
 #define API_VALIDATE_RECEIPT @"/api/apple/validate-receipt"                      // 排行榜标签列表
 
 /// AI
-#define API_AI_TALK @"/demo/talk"                      // 排行榜标签列表
+#define API_AI_TALK @"/chat/talk"                      // 排行榜标签列表
 
 
 
diff --git a/keyBoard.xcodeproj/project.pbxproj b/keyBoard.xcodeproj/project.pbxproj
index 837a2d4..e06a4fd 100644
--- a/keyBoard.xcodeproj/project.pbxproj
+++ b/keyBoard.xcodeproj/project.pbxproj
@@ -169,9 +169,7 @@
 		04FC95DD2EB202A3007BD342 /* KBGuideVC.m in Sources */ = {isa = PBXBuildFile; fileRef = 04FC95DC2EB202A3007BD342 /* KBGuideVC.m */; };
 		04FC95E52EB220B5007BD342 /* UIColor+Extension.m in Sources */ = {isa = PBXBuildFile; fileRef = 04FC95E42EB220B5007BD342 /* UIColor+Extension.m */; };
 		04FC95E92EB23B67007BD342 /* KBNetworkManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 04FC95E72EB23B67007BD342 /* KBNetworkManager.m */; };
-		04FC95F12EB339A7007BD342 /* LoginViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 04FC95F02EB339A7007BD342 /* LoginViewController.m */; };
 		04FC95F42EB339C1007BD342 /* AppleSignInManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 04FC95F32EB339C1007BD342 /* AppleSignInManager.m */; };
-		04FC96142EB34E00007BD342 /* KBLoginSheetViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 04FC96122EB34E00007BD342 /* KBLoginSheetViewController.m */; };
 		04FC97002EB30A00007BD342 /* KBGuideTopCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 04FC96FF2EB30A00007BD342 /* KBGuideTopCell.m */; };
 		04FC97032EB30A00007BD342 /* KBGuideKFCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 04FC97022EB30A00007BD342 /* KBGuideKFCell.m */; };
 		04FC97062EB30A00007BD342 /* KBGuideUserCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 04FC97052EB30A00007BD342 /* KBGuideUserCell.m */; };
@@ -509,13 +507,9 @@
 		04FC95E42EB220B5007BD342 /* UIColor+Extension.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = "UIColor+Extension.m"; sourceTree = "<group>"; };
 		04FC95E62EB23B67007BD342 /* KBNetworkManager.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBNetworkManager.h; sourceTree = "<group>"; };
 		04FC95E72EB23B67007BD342 /* KBNetworkManager.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBNetworkManager.m; sourceTree = "<group>"; };
-		04FC95EF2EB339A7007BD342 /* LoginViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = LoginViewController.h; sourceTree = "<group>"; };
-		04FC95F02EB339A7007BD342 /* LoginViewController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = LoginViewController.m; sourceTree = "<group>"; };
 		04FC95F22EB339C1007BD342 /* AppleSignInManager.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AppleSignInManager.h; sourceTree = "<group>"; };
 		04FC95F32EB339C1007BD342 /* AppleSignInManager.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AppleSignInManager.m; sourceTree = "<group>"; };
 		04FC95F52EB33B52007BD342 /* keyBoard.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = keyBoard.entitlements; sourceTree = "<group>"; };
-		04FC96112EB34E00007BD342 /* KBLoginSheetViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBLoginSheetViewController.h; sourceTree = "<group>"; };
-		04FC96122EB34E00007BD342 /* KBLoginSheetViewController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBLoginSheetViewController.m; sourceTree = "<group>"; };
 		04FC96FE2EB30A00007BD342 /* KBGuideTopCell.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBGuideTopCell.h; sourceTree = "<group>"; };
 		04FC96FF2EB30A00007BD342 /* KBGuideTopCell.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = KBGuideTopCell.m; sourceTree = "<group>"; };
 		04FC97012EB30A00007BD342 /* KBGuideKFCell.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = KBGuideKFCell.h; sourceTree = "<group>"; };
@@ -1372,10 +1366,6 @@
 		04FC95EC2EB33611007BD342 /* VC */ = {
 			isa = PBXGroup;
 			children = (
-				04FC95EF2EB339A7007BD342 /* LoginViewController.h */,
-				04FC95F02EB339A7007BD342 /* LoginViewController.m */,
-				04FC96112EB34E00007BD342 /* KBLoginSheetViewController.h */,
-				04FC96122EB34E00007BD342 /* KBLoginSheetViewController.m */,
 				047920612EDEEFC7004E8522 /* KBLoginVC.h */,
 				047920622EDEEFC7004E8522 /* KBLoginVC.m */,
 				0498BD662EE01180006CC1D5 /* KBEmailRegistVC.h */,
@@ -1765,9 +1755,7 @@
 				04C6EABE2EAF86530089C901 /* AppDelegate.m in Sources */,
 				04791FFF2ED830FA004E8522 /* KBKeyboardMaskView.m in Sources */,
 				0498BD652EE0116D006CC1D5 /* KBEmailLoginVC.m in Sources */,
-				04FC95F12EB339A7007BD342 /* LoginViewController.m in Sources */,
 				048908E92EBF843000FABA60 /* KBSkinDetailHeaderCell.m in Sources */,
-				04FC96142EB34E00007BD342 /* KBLoginSheetViewController.m in Sources */,
 				04A9FE1B2EB892460020DB6D /* KBLocalizationManager.m in Sources */,
 				048908BC2EBE1FCB00FABA60 /* BaseViewController.m in Sources */,
 				0498BD902EE6A3BD006CC1D5 /* KBMyMainModel.m in Sources */,
diff --git a/keyBoard/Class/Pay/M/IAPVerifyTransactionObj.m b/keyBoard/Class/Pay/M/IAPVerifyTransactionObj.m
index c66268e..66e96e7 100644
--- a/keyBoard/Class/Pay/M/IAPVerifyTransactionObj.m
+++ b/keyBoard/Class/Pay/M/IAPVerifyTransactionObj.m
@@ -6,7 +6,7 @@
 #import "PayVM.h"
 #import "KBAuthManager.h"
 #import "KBHUD.h"
-#import "KBLoginSheetViewController.h"
+//#import "KBLoginSheetViewController.h"
 #import "KBBizCode.h"
 @interface IAPVerifyTransactionObj ()
 @property (nonatomic, strong) PayVM *payVM;