diff --git a/CustomKeyboard/Network/KBNetworkManager.m b/CustomKeyboard/Network/KBNetworkManager.m
index 5e1385a..ae71f5e 100644
--- a/CustomKeyboard/Network/KBNetworkManager.m
+++ b/CustomKeyboard/Network/KBNetworkManager.m
@@ -41,38 +41,10 @@ NSErrorDomain const KBNetworkErrorDomain = @"com.company.keyboard.network";
 }
 
 - (void)getSignWithParare:(NSDictionary *)bodyParams{
-   
-    NSString *appId    = @"loveKeyboard";
-    NSString *secret   = @"kZJM39HYvhxwbJkG1fmquQRVkQiLAh2H"; // 和服务端保持一致
-    NSString *timestamp = [KBSignUtils currentTimestamp];
-    NSString *nonce     = [KBSignUtils generateNonceWithLength:16];
-    // 1. 组装参与签名的所有参数
-    NSMutableDictionary<NSString *, NSString *> *signParams = [NSMutableDictionary dictionary];
-    signParams[@"appId"]     = appId;
-    signParams[@"timestamp"] = timestamp;
-    signParams[@"nonce"]     = nonce;
-    // 把 body 里的字段也加入签名参数
-    [bodyParams enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
-        if ([obj isKindOfClass:[NSString class]]) {
-            signParams[key] = obj;
-        } else {
-            signParams[key] = [obj description];
-        }
-    }];
-    NSString *sign = [KBSignUtils signWithParams:signParams secret:secret];
-
-    // 将签名相关字段合并进默认请求头
+    NSDictionary<NSString *, NSString *> *signHeaders = [KBSignUtils signHeadersWithBodyParams:bodyParams];
     NSMutableDictionary<NSString *, NSString *> *headers =
     [self.defaultHeaders mutableCopy] ?: [NSMutableDictionary dictionary];
-
-    if (sign.length > 0) {
-        headers[@"X-Sign"] = sign;
-    }
-    headers[@"X-App-Id"]    = appId;
-    headers[@"X-Timestamp"] = timestamp;
-    headers[@"X-Nonce"]     = nonce;
-
-    // 触发 copy 语义，确保对外仍是不可变字典
+    [headers addEntriesFromDictionary:signHeaders ?: @{}];
     self.defaultHeaders = headers;
 }
 
diff --git a/CustomKeyboard/View/KBFunctionView.m b/CustomKeyboard/View/KBFunctionView.m
index 4f1b340..c883ad9 100644
--- a/CustomKeyboard/View/KBFunctionView.m
+++ b/CustomKeyboard/View/KBFunctionView.m
@@ -19,6 +19,7 @@
 #import "KBHostAppLauncher.h"
 #import "KBInputBufferManager.h"
 #import "KBResponderUtils.h" // 统一查找 UIInputViewController 的工具
+#import "KBSignUtils.h"
 #import "KBSkinManager.h"
 #import "KBStreamOverlayView.h" // 带关闭按钮的流式层
 #import "KBStreamTextView.h"    // 流式文本视图
@@ -435,11 +436,32 @@
                               cachePolicy:NSURLRequestReloadIgnoringCacheData
                           timeoutInterval:60];
   request.HTTPMethod = @"POST";
+  [request setValue:@"text/event-stream" forHTTPHeaderField:@"Accept"];
   [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
+  // 签名头（后端要求，否则会 401：Missing sign headers）
+  NSDictionary<NSString *, NSString *> *signHeaders =
+      [KBSignUtils signHeadersWithBodyParams:payload];
+  [signHeaders enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString *obj,
+                                                   BOOL *stop) {
+    if (key.length == 0 || obj.length == 0) {
+      return;
+    }
+    [request setValue:obj forHTTPHeaderField:key];
+  }];
   NSString *token = KBAuthManager.shared.current.accessToken ?: @"";
   if (token.length > 0) {
     [request setValue:token forHTTPHeaderField:@"auth-token"];
   }
+  // 与主 App 的请求头保持一致（Bearer）
+  NSDictionary<NSString *, NSString *> *authHeader =
+      [[KBAuthManager shared] authorizationHeader];
+  [authHeader enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString *obj,
+                                                  BOOL *stop) {
+    if (key.length == 0 || obj.length == 0) {
+      return;
+    }
+    [request setValue:obj forHTTPHeaderField:key];
+  }];
   request.HTTPBody = bodyData;
 
   self.streamHasOutput = NO;
@@ -463,7 +485,7 @@
         __strong typeof(weakSelf) self = weakSelf;
         if (!self)
           return;
-        [self kb_handleEventSourceError:event.error];
+//        [self kb_handleEventSourceError:event.error];
       }
          forEvent:WJXEventNameError
             queue:NSOperationQueue.mainQueue];
diff --git a/Shared/KBMaiPointReporter.m b/Shared/KBMaiPointReporter.m
index 2f29c62..366ab24 100644
--- a/Shared/KBMaiPointReporter.m
+++ b/Shared/KBMaiPointReporter.m
@@ -95,7 +95,7 @@ static void KBMaiPoint_DebugLogError(NSURLResponse *response, NSError *error) {
         @"eventId": trimmedName,
         @"value": val.copy
     };
-    [self postPath:KB_MAI_POINT_PATH_GENERIC_DATA parameters:params completion:completion];
+//    [self postPath:KB_MAI_POINT_PATH_GENERIC_DATA parameters:params completion:completion];
 }
 
 - (void)reportPageExposureWithEventName:(NSString *)eventName
diff --git a/Shared/KBSignUtils.h b/Shared/KBSignUtils.h
index 605bad8..b3910f2 100644
--- a/Shared/KBSignUtils.h
+++ b/Shared/KBSignUtils.h
@@ -30,6 +30,10 @@ NS_ASSUME_NONNULL_BEGIN
 /// 简单 nonce 生成（默认 16 位）
 + (NSString *)generateNonceWithLength:(NSUInteger)length;
 
+/// 生成本项目后端约定的签名请求头（X-Sign/X-App-Id/X-Timestamp/X-Nonce）。
+/// bodyParams：参与签名的业务参数（如 JSON body 字段）。内部会做类型容错与空值过滤。
++ (NSDictionary<NSString *, NSString *> *)signHeadersWithBodyParams:(nullable NSDictionary *)bodyParams;
+
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/Shared/KBSignUtils.m b/Shared/KBSignUtils.m
index c6efe2a..e6c58e2 100644
--- a/Shared/KBSignUtils.m
+++ b/Shared/KBSignUtils.m
@@ -10,6 +10,32 @@
 
 @implementation KBSignUtils
 
+static NSString *const KBSignAppId = @"loveKeyboard";
+static NSString *const KBSignSecret = @"kZJM39HYvhxwbJkG1fmquQRVkQiLAh2H";
+
+static NSString *KBSignStringFromObject(id obj) {
+    if (!obj || obj == (id)kCFNull) {
+        return nil;
+    }
+    if ([obj isKindOfClass:[NSString class]]) {
+        return (NSString *)obj;
+    }
+    if ([obj isKindOfClass:[NSNumber class]]) {
+        return [(NSNumber *)obj stringValue];
+    }
+    if ([obj isKindOfClass:[NSArray class]] || [obj isKindOfClass:[NSDictionary class]]) {
+        NSJSONWritingOptions options = 0;
+        if (@available(iOS 11.0, *)) {
+            options = NSJSONWritingSortedKeys;
+        }
+        NSData *data = [NSJSONSerialization dataWithJSONObject:obj options:options error:nil];
+        if (data.length > 0) {
+            return [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+        }
+    }
+    return [obj description];
+}
+
 + (NSString *)urlEncode:(NSString *)value {
     if (!value) return @"";
     // 按 application/x-www-form-urlencoded 规则编码（更贴近后端常见实现）
@@ -96,4 +122,50 @@
     return [uuid substringToIndex:length];
 }
 
++ (NSDictionary<NSString *, NSString *> *)signHeadersWithBodyParams:(NSDictionary *)bodyParams {
+    NSString *timestamp = [self currentTimestamp];
+    NSString *nonce = [self generateNonceWithLength:16];
+
+    NSMutableDictionary<NSString *, NSString *> *signParams = [NSMutableDictionary dictionary];
+    if (KBSignAppId.length > 0) {
+        signParams[@"appId"] = KBSignAppId;
+    }
+    if (timestamp.length > 0) {
+        signParams[@"timestamp"] = timestamp;
+    }
+    if (nonce.length > 0) {
+        signParams[@"nonce"] = nonce;
+    }
+
+    if ([bodyParams isKindOfClass:[NSDictionary class]] && bodyParams.count > 0) {
+        [bodyParams enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
+            if (![key isKindOfClass:[NSString class]]) {
+                return;
+            }
+            NSString *value = KBSignStringFromObject(obj);
+            if (value.length == 0) {
+                return;
+            }
+            signParams[(NSString *)key] = value;
+        }];
+    }
+
+    NSString *sign = [self signWithParams:signParams secret:KBSignSecret ?: @""];
+
+    NSMutableDictionary<NSString *, NSString *> *headers = [NSMutableDictionary dictionary];
+    if (sign.length > 0) {
+        headers[@"X-Sign"] = sign;
+    }
+    if (KBSignAppId.length > 0) {
+        headers[@"X-App-Id"] = KBSignAppId;
+    }
+    if (timestamp.length > 0) {
+        headers[@"X-Timestamp"] = timestamp;
+    }
+    if (nonce.length > 0) {
+        headers[@"X-Nonce"] = nonce;
+    }
+    return [headers copy];
+}
+
 @end
diff --git a/keyBoard/Class/Network/KBNetworkManager.m b/keyBoard/Class/Network/KBNetworkManager.m
index 5c927dd..aef2a07 100644
--- a/keyBoard/Class/Network/KBNetworkManager.m
+++ b/keyBoard/Class/Network/KBNetworkManager.m
@@ -33,29 +33,6 @@ NSErrorDomain const KBNetworkErrorDomain = @"com.company.keyboard.network";
 
 @implementation KBNetworkManager
 
-static NSString *KBSignStringFromObject(id obj) {
-    if (!obj || obj == (id)kCFNull) {
-        return nil;
-    }
-    if ([obj isKindOfClass:[NSString class]]) {
-        return (NSString *)obj;
-    }
-    if ([obj isKindOfClass:[NSNumber class]]) {
-        return [(NSNumber *)obj stringValue];
-    }
-    if ([obj isKindOfClass:[NSArray class]] || [obj isKindOfClass:[NSDictionary class]]) {
-        NSJSONWritingOptions options = 0;
-        if (@available(iOS 11.0, *)) {
-            options = NSJSONWritingSortedKeys;
-        }
-        NSData *data = [NSJSONSerialization dataWithJSONObject:obj options:options error:nil];
-        if (data.length > 0) {
-            return [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
-        }
-    }
-    return [obj description];
-}
-
 + (instancetype)shared {
     static KBNetworkManager *m; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ m = [KBNetworkManager new]; });
     return m;
@@ -84,48 +61,10 @@ static NSString *KBSignStringFromObject(id obj) {
 }
 
 - (void)getSignWithParare:(NSDictionary *)bodyParams{
-   
-    NSString *appId    = @"loveKeyboard";
-    NSString *secret   = @"kZJM39HYvhxwbJkG1fmquQRVkQiLAh2H"; // 和服务端保持一致
-    NSString *timestamp = [KBSignUtils currentTimestamp];
-    NSString *nonce     = [KBSignUtils generateNonceWithLength:16];
-    // 1. 组装参与签名的所有参数
-    NSMutableDictionary<NSString *, NSString *> *signParams = [NSMutableDictionary dictionary];
-    signParams[@"appId"]     = appId;
-    signParams[@"timestamp"] = timestamp;
-    signParams[@"nonce"]     = nonce;
-    // 把 body 里的字段也加入签名参数
-    [bodyParams enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
-        NSString *value = KBSignStringFromObject(obj);
-        if (value.length == 0) {
-            return;
-        }
-        signParams[key] = value;
-    }];
-    NSString *signSource = [KBSignUtils signSourceStringWithParams:signParams secret:secret];
-    NSString *sign = [KBSignUtils signWithParams:signParams secret:secret];
-
-#if DEBUG
-    if (signSource.length > 0) {
-        NSString *secretPart = [NSString stringWithFormat:@"secret=%@", [KBSignUtils urlEncode:secret ?: @""]];
-        NSString *masked = [signSource stringByReplacingOccurrencesOfString:secretPart withString:@"secret=***"];
-        KBLOG(@"[KBNetwork] sign source: %@", masked);
-        KBLOG(@"[KBNetwork] sign value: %@", sign ?: @"");
-    }
-#endif
-
-    // 将签名相关字段合并进默认请求头
+    NSDictionary<NSString *, NSString *> *signHeaders = [KBSignUtils signHeadersWithBodyParams:bodyParams];
     NSMutableDictionary<NSString *, NSString *> *headers =
     [self.defaultHeaders mutableCopy] ?: [NSMutableDictionary dictionary];
-
-    if (sign.length > 0) {
-        headers[@"X-Sign"] = sign;
-    }
-    headers[@"X-App-Id"]    = appId;
-    headers[@"X-Timestamp"] = timestamp;
-    headers[@"X-Nonce"]     = nonce;
-
-    // 触发 copy 语义，确保对外仍是不可变字典
+    [headers addEntriesFromDictionary:signHeaders ?: @{}];
     self.defaultHeaders = headers;
 }