diff --git a/Ios/HBuilder-Hello/HBuilder-Hello.xcodeproj/project.xcworkspace/xcuserdata/jlbank.xcuserdatad/UserInterfaceState.xcuserstate b/Ios/HBuilder-Hello/HBuilder-Hello.xcodeproj/project.xcworkspace/xcuserdata/jlbank.xcuserdatad/UserInterfaceState.xcuserstate
index 32c4b91e..99922be2 100644
Binary files a/Ios/HBuilder-Hello/HBuilder-Hello.xcodeproj/project.xcworkspace/xcuserdata/jlbank.xcuserdatad/UserInterfaceState.xcuserstate and b/Ios/HBuilder-Hello/HBuilder-Hello.xcodeproj/project.xcworkspace/xcuserdata/jlbank.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/src/uni_modules/ty-recording/utssdk/app-ios/index.uts b/src/uni_modules/ty-recording/utssdk/app-ios/index.uts
index 568fa5db..a93ee0fc 100644
--- a/src/uni_modules/ty-recording/utssdk/app-ios/index.uts
+++ b/src/uni_modules/ty-recording/utssdk/app-ios/index.uts
@@ -11,7 +11,7 @@ let isRecording = false;
 let audioEngine: AVAudioEngine | null = null;
 //音频输入节点（全局变量，避免被释放）
 let inputNode: AVAudioInputNode | null = null;
-const targetSampleRate:Double = 8000.0; // 和采集时的目标格式一致
+const targetSampleRate:Double = 16000.0; // 和采集时的目标格式一致
 const channels = 1; // 实际以采集时的声道数为准（可从inputFormat获取）
 // 新增：录音启动时间戳（毫秒）
 let recordStartTime: number | null = null;