diff --git a/main/boards/lilygo-t-cameraplus-s3/config.h b/main/boards/lilygo-t-cameraplus-s3/config.h
index f87888a4..4d4b1ded 100644
--- a/main/boards/lilygo-t-cameraplus-s3/config.h
+++ b/main/boards/lilygo-t-cameraplus-s3/config.h
@@ -4,15 +4,16 @@
 #include <driver/gpio.h>
 #include "pin_config.h"
 
-#define AUDIO_INPUT_REFERENCE true
-#define AUDIO_INPUT_SAMPLE_RATE 24000
+#define AUDIO_INPUT_SAMPLE_RATE 16000
 #define AUDIO_OUTPUT_SAMPLE_RATE 24000
 
 #ifdef CONFIG_BOARD_TYPE_LILYGO_T_CAMERAPLUS_S3_V1_0_V1_1
+#define AUDIO_INPUT_REFERENCE true
 #define AUDIO_MIC_I2S_GPIO_BCLK static_cast<gpio_num_t>(MSM261_BCLK)
 #define AUDIO_MIC_I2S_GPIO_WS static_cast<gpio_num_t>(MSM261_WS)
 #define AUDIO_MIC_I2S_GPIO_DATA static_cast<gpio_num_t>(MSM261_DATA)
 #elif defined CONFIG_BOARD_TYPE_LILYGO_T_CAMERAPLUS_S3_V1_2
+#define AUDIO_INPUT_REFERENCE false
 #define AUDIO_MIC_I2S_GPIO_BCLK GPIO_NUM_NC
 #define AUDIO_MIC_I2S_GPIO_WS static_cast<gpio_num_t>(MP34DT05TR_LRCLK)
 #define AUDIO_MIC_I2S_GPIO_DATA static_cast<gpio_num_t>(MP34DT05TR_DATA)
diff --git a/main/boards/lilygo-t-cameraplus-s3/tcamerapluss3_audio_codec.cc b/main/boards/lilygo-t-cameraplus-s3/tcamerapluss3_audio_codec.cc
index f9ad8465..365d9ca7 100644
--- a/main/boards/lilygo-t-cameraplus-s3/tcamerapluss3_audio_codec.cc
+++ b/main/boards/lilygo-t-cameraplus-s3/tcamerapluss3_audio_codec.cc
@@ -140,10 +140,17 @@ void Tcamerapluss3AudioCodec::EnableOutput(bool enable) {
     AudioCodec::EnableOutput(enable);
 }
 
-int Tcamerapluss3AudioCodec::Read(int16_t *dest, int samples){
-    if (input_enabled_){
+int Tcamerapluss3AudioCodec::Read(int16_t *dest, int samples) {
+    if (input_enabled_) {
         size_t bytes_read;
         i2s_channel_read(rx_handle_, dest, samples * sizeof(int16_t), &bytes_read, portMAX_DELAY);
+        
+        // 麦克风接收音量放大20倍（限制在 int16_t 范围内防止溢出）
+        int16_t *ptr = dest;
+        for (int i = 0; i < samples; i++) {
+            int32_t amplified = *ptr * 20;
+            *ptr++ = (amplified > 32767) ? 32767 : (amplified < -32768) ? -32768 : amplified;
+        }
     }
     return samples;
 }