diff --git a/keyBoard/Assets.xcassets/AI/ai_sendmessage_icon.imageset/Contents.json b/keyBoard/Assets.xcassets/AI/ai_sendmessage_icon.imageset/Contents.json
new file mode 100644
index 0000000..f4d1e94
--- /dev/null
+++ b/keyBoard/Assets.xcassets/AI/ai_sendmessage_icon.imageset/Contents.json
@@ -0,0 +1,22 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "ai_sendmessage_icon@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "ai_sendmessage_icon@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/keyBoard/Assets.xcassets/AI/ai_sendmessage_icon.imageset/ai_sendmessage_icon@2x.png b/keyBoard/Assets.xcassets/AI/ai_sendmessage_icon.imageset/ai_sendmessage_icon@2x.png
new file mode 100644
index 0000000..0577af0
Binary files /dev/null and b/keyBoard/Assets.xcassets/AI/ai_sendmessage_icon.imageset/ai_sendmessage_icon@2x.png differ
diff --git a/keyBoard/Assets.xcassets/AI/ai_sendmessage_icon.imageset/ai_sendmessage_icon@3x.png b/keyBoard/Assets.xcassets/AI/ai_sendmessage_icon.imageset/ai_sendmessage_icon@3x.png
new file mode 100644
index 0000000..8496688
Binary files /dev/null and b/keyBoard/Assets.xcassets/AI/ai_sendmessage_icon.imageset/ai_sendmessage_icon@3x.png differ
diff --git a/keyBoard/Class/AiTalk/V/Chat/KBPersonaChatCell.m b/keyBoard/Class/AiTalk/V/Chat/KBPersonaChatCell.m
index bc9dc2a..48afdb5 100644
--- a/keyBoard/Class/AiTalk/V/Chat/KBPersonaChatCell.m
+++ b/keyBoard/Class/AiTalk/V/Chat/KBPersonaChatCell.m
@@ -1075,7 +1075,7 @@ static NSString * const KBChatSessionDidResetNotification = @"KBChatSessionDidRe
         [self.popView dismiss];
     }
     
-    CGFloat customViewHeight = KB_SCREEN_HEIGHT * 0.7;
+    CGFloat customViewHeight = KB_SCREEN_HEIGHT * 0.75;
     KBAICommentView *customView = [[KBAICommentView alloc]
                                    initWithFrame:CGRectMake(0, 0, KB_SCREEN_WIDTH, customViewHeight)];
     
diff --git a/keyBoard/Class/AiTalk/V/Comment/KBAICommentInputView.m b/keyBoard/Class/AiTalk/V/Comment/KBAICommentInputView.m
index a4d7edc..757b74a 100644
--- a/keyBoard/Class/AiTalk/V/Comment/KBAICommentInputView.m
+++ b/keyBoard/Class/AiTalk/V/Comment/KBAICommentInputView.m
@@ -11,8 +11,9 @@
 @interface KBAICommentInputView () <UITextFieldDelegate>
 
 @property(nonatomic, strong) UIView *containerView;
-@property(nonatomic, strong) UIImageView *avatarImageView;
+//@property(nonatomic, strong) UIImageView *avatarImageView;
 @property(nonatomic, strong) UITextField *textField;
+@property(nonatomic, strong) UILabel *placeholderLabel;
 @property(nonatomic, strong) UIButton *sendButton;
 @property(nonatomic, strong) UIView *topLine;
 
@@ -31,12 +32,13 @@
 #pragma mark - UI Setup
 
 - (void)setupUI {
-  self.backgroundColor = [UIColor whiteColor];
+    self.backgroundColor = [UIColor colorWithHex:0x797979 alpha:0.49];
 
   [self addSubview:self.topLine];
-  [self addSubview:self.avatarImageView];
+//  [self addSubview:self.avatarImageView];
   [self addSubview:self.containerView];
   [self.containerView addSubview:self.textField];
+  [self addSubview:self.placeholderLabel];
   [self addSubview:self.sendButton];
 
   [self.topLine mas_makeConstraints:^(MASConstraintMaker *make) {
@@ -44,17 +46,17 @@
     make.height.mas_equalTo(0.5);
   }];
 
-  [self.avatarImageView mas_makeConstraints:^(MASConstraintMaker *make) {
-    make.left.equalTo(self).offset(12);
-    make.centerY.equalTo(self);
-    make.width.height.mas_equalTo(32);
-  }];
+//  [self.avatarImageView mas_makeConstraints:^(MASConstraintMaker *make) {
+//    make.left.equalTo(self).offset(12);
+//    make.centerY.equalTo(self);
+//    make.width.height.mas_equalTo(32);
+//  }];
 
   [self.containerView mas_makeConstraints:^(MASConstraintMaker *make) {
-    make.left.equalTo(self.avatarImageView.mas_right).offset(10);
-    make.right.equalTo(self.sendButton.mas_left).offset(-10);
+    make.left.equalTo(self).offset(12);
+    make.right.equalTo(self.sendButton.mas_left).offset(-12);
     make.centerY.equalTo(self);
-    make.height.mas_equalTo(36);
+    make.height.mas_equalTo(52);
   }];
 
   [self.textField mas_makeConstraints:^(MASConstraintMaker *make) {
@@ -69,17 +71,23 @@
     make.width.mas_equalTo(50);
     make.height.mas_equalTo(30);
   }];
+  
+  [self.placeholderLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+    make.center.equalTo(self);
+  }];
 }
 
 #pragma mark - Public Methods
 
 - (void)setPlaceholder:(NSString *)placeholder {
   _placeholder = placeholder;
-  self.textField.placeholder = placeholder;
+  self.placeholderLabel.text = placeholder;
+  [self updatePlaceholderVisibility];
 }
 
 - (void)clearText {
   self.textField.text = @"";
+  [self updatePlaceholderVisibility];
   [self updateSendButtonState];
 }
 
@@ -97,13 +105,14 @@
 }
 
 - (void)textFieldDidChange:(UITextField *)textField {
+  [self updatePlaceholderVisibility];
   [self updateSendButtonState];
 }
 
 - (void)updateSendButtonState {
   BOOL hasText = self.textField.text.length > 0;
   self.sendButton.enabled = hasText;
-  self.sendButton.alpha = hasText ? 1.0 : 0.5;
+//  self.sendButton.alpha = hasText ? 1.0 : 0.5;
 }
 
 #pragma mark - UITextFieldDelegate
@@ -113,6 +122,15 @@
   return YES;
 }
 
+- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField {
+  [self updatePlaceholderVisibility];
+  return YES;
+}
+
+- (void)textFieldDidEndEditing:(UITextField *)textField {
+  [self updatePlaceholderVisibility];
+}
+
 #pragma mark - Lazy Loading
 
 - (UIView *)topLine {
@@ -123,25 +141,24 @@
   return _topLine;
 }
 
-- (UIImageView *)avatarImageView {
-  if (!_avatarImageView) {
-    _avatarImageView = [[UIImageView alloc] init];
-    _avatarImageView.contentMode = UIViewContentModeScaleAspectFill;
-    _avatarImageView.layer.cornerRadius = 16;
-    _avatarImageView.layer.masksToBounds = YES;
-    _avatarImageView.backgroundColor = [UIColor systemGray5Color];
-    _avatarImageView.image = [UIImage systemImageNamed:@"person.circle.fill"];
-    _avatarImageView.tintColor = [UIColor systemGray3Color];
-  }
-  return _avatarImageView;
-}
+//- (UIImageView *)avatarImageView {
+//  if (!_avatarImageView) {
+//    _avatarImageView = [[UIImageView alloc] init];
+//    _avatarImageView.contentMode = UIViewContentModeScaleAspectFill;
+//    _avatarImageView.layer.cornerRadius = 16;
+//    _avatarImageView.layer.masksToBounds = YES;
+//    _avatarImageView.backgroundColor = [UIColor systemGray5Color];
+//    _avatarImageView.image = [UIImage systemImageNamed:@"person.circle.fill"];
+//    _avatarImageView.tintColor = [UIColor systemGray3Color];
+//  }
+//  return _avatarImageView;
+//}
 
 - (UIView *)containerView {
   if (!_containerView) {
     _containerView = [[UIView alloc] init];
-    _containerView.backgroundColor = [UIColor systemGray6Color];
-    _containerView.layer.cornerRadius = 18;
-    _containerView.layer.masksToBounds = YES;
+//    _containerView.layer.cornerRadius = 26;
+//    _containerView.layer.masksToBounds = YES;
   }
   return _containerView;
 }
@@ -149,27 +166,42 @@
 - (UITextField *)textField {
   if (!_textField) {
     _textField = [[UITextField alloc] init];
-    _textField.placeholder = @"说点什么...";
+    _textField.textColor = [UIColor whiteColor];
+    _textField.textAlignment = NSTextAlignmentLeft;
     _textField.font = [UIFont systemFontOfSize:14];
     _textField.delegate = self;
     _textField.returnKeyType = UIReturnKeySend;
     [_textField addTarget:self
                    action:@selector(textFieldDidChange:)
          forControlEvents:UIControlEventEditingChanged];
+    [self updatePlaceholderVisibility];
   }
   return _textField;
 }
 
+- (UILabel *)placeholderLabel {
+  if (!_placeholderLabel) {
+    _placeholderLabel = [[UILabel alloc] init];
+    _placeholderLabel.text = @"Send A Message";
+    _placeholderLabel.textColor = [UIColor whiteColor];
+    _placeholderLabel.font = [UIFont systemFontOfSize:14];
+    _placeholderLabel.textAlignment = NSTextAlignmentCenter;
+    _placeholderLabel.userInteractionEnabled = NO;
+  }
+  return _placeholderLabel;
+}
+
 - (UIButton *)sendButton {
   if (!_sendButton) {
     _sendButton = [UIButton buttonWithType:UIButtonTypeCustom];
-    [_sendButton setTitle:@"发送" forState:UIControlStateNormal];
-    [_sendButton setTitleColor:[UIColor systemBlueColor]
-                      forState:UIControlStateNormal];
-    _sendButton.titleLabel.font = [UIFont systemFontOfSize:15
-                                                    weight:UIFontWeightMedium];
+//    [_sendButton setTitle:@"发送" forState:UIControlStateNormal];
+//    [_sendButton setTitleColor:[UIColor systemBlueColor]
+//                      forState:UIControlStateNormal];
+//    _sendButton.titleLabel.font = [UIFont systemFontOfSize:15
+//                                                    weight:UIFontWeightMedium];
+      [_sendButton setImage:[UIImage imageNamed:@"ai_sendmessage_icon"] forState:UIControlStateNormal];
     _sendButton.enabled = NO;
-    _sendButton.alpha = 0.5;
+//    _sendButton.alpha = 0.5;
     [_sendButton addTarget:self
                     action:@selector(sendButtonTapped)
           forControlEvents:UIControlEventTouchUpInside];
@@ -177,4 +209,11 @@
   return _sendButton;
 }
 
+#pragma mark - Private
+
+- (void)updatePlaceholderVisibility {
+  BOOL hasText = self.textField.text.length > 0;
+  self.placeholderLabel.hidden = hasText;
+}
+
 @end
diff --git a/keyBoard/Class/AiTalk/V/Comment/KBAICommentView.m b/keyBoard/Class/AiTalk/V/Comment/KBAICommentView.m
index f8fa9f1..040f052 100644
--- a/keyBoard/Class/AiTalk/V/Comment/KBAICommentView.m
+++ b/keyBoard/Class/AiTalk/V/Comment/KBAICommentView.m
@@ -189,8 +189,8 @@ static NSString *const kCommentFooterIdentifier = @"CommentFooter";
   }];
 
   [self.inputView mas_makeConstraints:^(MASConstraintMaker *make) {
-    make.left.right.equalTo(self);
-    make.height.mas_equalTo(50);
+    make.left.right.equalTo(self).inset(12);
+    make.height.mas_equalTo(52);
     self.inputBottomConstraint =
         make.bottom.equalTo(self).offset(-KB_SafeAreaBottom());
   }];
@@ -846,8 +846,9 @@ static NSInteger const kRepliesLoadCount = 5;
 - (KBAICommentInputView *)inputView {
   if (!_inputView) {
     _inputView = [[KBAICommentInputView alloc] init];
-    _inputView.placeholder = @"说点什么...";
-
+    _inputView.placeholder = @"Send A Message";
+      _inputView.layer.cornerRadius = 26;
+      _inputView.clipsToBounds = true;
     __weak typeof(self) weakSelf = self;
     _inputView.onSend = ^(NSString *text) {
       [weakSelf sendCommentWithText:text];
diff --git a/keyBoard/Class/AiTalk/VC/KBAIHomeVC.m b/keyBoard/Class/AiTalk/VC/KBAIHomeVC.m
index 30e724f..de1adfe 100644
--- a/keyBoard/Class/AiTalk/VC/KBAIHomeVC.m
+++ b/keyBoard/Class/AiTalk/VC/KBAIHomeVC.m
@@ -791,7 +791,7 @@
 - (UIButton *)sendButton {
     if (!_sendButton) {
         _sendButton = [UIButton buttonWithType:UIButtonTypeCustom];
-        [_sendButton setTitle:KBLocalized(@"发送") forState:UIControlStateNormal];
+        [_sendButton setTitle:KBLocalized(@"send") forState:UIControlStateNormal];
         [_sendButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
         _sendButton.titleLabel.font = [UIFont systemFontOfSize:15 weight:UIFontWeightMedium];
         _sendButton.backgroundColor = [UIColor colorWithRed:0.2 green:0.6 blue:1.0 alpha:1.0];
diff --git a/keyBoard/Class/AiTalk/VC/KBAIMessageVC.m b/keyBoard/Class/AiTalk/VC/KBAIMessageVC.m
index 1f48937..c6de732 100644
--- a/keyBoard/Class/AiTalk/VC/KBAIMessageVC.m
+++ b/keyBoard/Class/AiTalk/VC/KBAIMessageVC.m
@@ -23,7 +23,7 @@
 @property (nonatomic, strong) JXCategoryListContainerView *listContainerView;
 
 /// 右侧搜索按钮
-@property (nonatomic, strong) UIButton *searchButton;
+//@property (nonatomic, strong) UIButton *searchButton;
 
 /// 标题数组
 @property (nonatomic, strong) NSArray<NSString *> *titles;
@@ -42,7 +42,7 @@
     [self setupUI];
     
     /// 2：绑定事件
-    [self bindActions];
+//    [self bindActions];
 }
 
 #pragma mark - 1：控件初始化
@@ -69,12 +69,12 @@
     }];
     
     // 添加搜索按钮
-    [self.kb_navView addSubview:self.searchButton];
-    [self.searchButton mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.right.equalTo(self.kb_navView).offset(-16);
-        make.centerY.equalTo(self.kb_backButton);
-        make.width.height.mas_equalTo(24);
-    }];
+//    [self.kb_navView addSubview:self.searchButton];
+//    [self.searchButton mas_makeConstraints:^(MASConstraintMaker *make) {
+//        make.right.equalTo(self.kb_navView).offset(-16);
+//        make.centerY.equalTo(self.kb_backButton);
+//        make.width.height.mas_equalTo(24);
+//    }];
     
     // 添加列表容器
     [self.view addSubview:self.listContainerView];
@@ -94,9 +94,9 @@
 
 #pragma mark - 2：绑定事件
 
-- (void)bindActions {
-    [self.searchButton addTarget:self action:@selector(searchButtonTapped) forControlEvents:UIControlEventTouchUpInside];
-}
+//- (void)bindActions {
+//    [self.searchButton addTarget:self action:@selector(searchButtonTapped) forControlEvents:UIControlEventTouchUpInside];
+//}
 
 #pragma mark - Actions
 
@@ -189,16 +189,16 @@
     return _listContainerView;
 }
 
-- (UIButton *)searchButton {
-    if (!_searchButton) {
-        _searchButton = [UIButton buttonWithType:UIButtonTypeCustom];
-        if (@available(iOS 13.0, *)) {
-            UIImage *searchImage = [UIImage systemImageNamed:@"magnifyingglass"];
-            [_searchButton setImage:searchImage forState:UIControlStateNormal];
-            _searchButton.tintColor = [UIColor colorWithHex:0x1B1F1A];
-        }
-    }
-    return _searchButton;
-}
+//- (UIButton *)searchButton {
+//    if (!_searchButton) {
+//        _searchButton = [UIButton buttonWithType:UIButtonTypeCustom];
+//        if (@available(iOS 13.0, *)) {
+//            UIImage *searchImage = [UIImage systemImageNamed:@"magnifyingglass"];
+//            [_searchButton setImage:searchImage forState:UIControlStateNormal];
+//            _searchButton.tintColor = [UIColor colorWithHex:0x1B1F1A];
+//        }
+//    }
+//    return _searchButton;
+//}
 
 @end
diff --git a/keyBoard/Class/Categories/UIColor+Extension.h b/keyBoard/Class/Categories/UIColor+Extension.h
index 170bb4d..383aa24 100644
--- a/keyBoard/Class/Categories/UIColor+Extension.h
+++ b/keyBoard/Class/Categories/UIColor+Extension.h
@@ -11,6 +11,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface UIColor (Extension)
 + (UIColor *)colorWithHex:(int)hexValue;
++ (UIColor *)colorWithHex:(int)hexValue alpha:(CGFloat)alpha;
 + (nullable UIColor *)colorWithHexString:(NSString *)hexString;
 + (UIColor *)kb_dynamicColorWithLightColor:(UIColor *)lightColor
                                  darkColor:(UIColor *)darkColor;