diff --git a/keyBoard/Class/AiTalk/VC/KBAIHomeVC.m b/keyBoard/Class/AiTalk/VC/KBAIHomeVC.m
index 1f4ecfb..31f066c 100644
--- a/keyBoard/Class/AiTalk/VC/KBAIHomeVC.m
+++ b/keyBoard/Class/AiTalk/VC/KBAIHomeVC.m
@@ -193,7 +193,7 @@ static NSString * const KBAISelectedPersonaIdKey = @"KBAISelectedPersonaId";
 #pragma mark - 1：控件初始化
 
 - (void)setupUI {
-    self.voiceInputBarHeight = 138;
+    self.voiceInputBarHeight = 70;
     self.baseInputBarBottomSpacing = KB_TABBAR_HEIGHT;
     [self.view addSubview:self.collectionView];
     [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {