diff --git a/main/audio_codecs/es8388_audio_codec.cc b/main/audio_codecs/es8388_audio_codec.cc
index 47522a75..432f4894 100644
--- a/main/audio_codecs/es8388_audio_codec.cc
+++ b/main/audio_codecs/es8388_audio_codec.cc
@@ -194,4 +194,12 @@ int Es8388AudioCodec::Write(const int16_t* data, int samples) {
         ESP_ERROR_CHECK_WITHOUT_ABORT(esp_codec_dev_write(output_dev_, (void*)data, samples * sizeof(int16_t)));
     }
     return samples;
-}
\ No newline at end of file
+}
+
+void Es8388AudioCodec::WriteReg(uint8_t reg_addr, uint8_t data) {
+    if (ctrl_if_ != nullptr) {
+        ctrl_if_->write_reg(ctrl_if_, reg_addr, 1, &data, 1);
+    } else {
+        ESP_LOGE(TAG, "Control interface is not initialized");
+    }
+}
diff --git a/main/audio_codecs/es8388_audio_codec.h b/main/audio_codecs/es8388_audio_codec.h
index 10807a41..f9df32c8 100644
--- a/main/audio_codecs/es8388_audio_codec.h
+++ b/main/audio_codecs/es8388_audio_codec.h
@@ -32,6 +32,8 @@ public:
     virtual void SetOutputVolume(int volume) override;
     virtual void EnableInput(bool enable) override;
     virtual void EnableOutput(bool enable) override;
+
+    void WriteReg(uint8_t reg_addr, uint8_t data);
 };
 
 #endif // _ES8388_AUDIO_CODEC_H
diff --git a/main/boards/atk-dnesp32s3/atk_dnesp32s3.cc b/main/boards/atk-dnesp32s3/atk_dnesp32s3.cc
index 6af32ce1..764803f4 100644
--- a/main/boards/atk-dnesp32s3/atk_dnesp32s3.cc
+++ b/main/boards/atk-dnesp32s3/atk_dnesp32s3.cc
@@ -169,6 +169,8 @@ public:
                 GPIO_NUM_NC, AUDIO_CODEC_ES8388_ADDR);
 
             audio_codec->SetOutputVolume(AUDIO_DEFAULT_OUTPUT_VOLUME);  //设置默认音量
+            audio_codec->WriteReg(0x30, AUDIO_ADD_OUTPUT_VOLUME);
+            audio_codec->WriteReg(0x31, AUDIO_ADD_OUTPUT_VOLUME);//音量增益设置
         }
         return audio_codec;
     }
@@ -178,4 +180,4 @@ public:
     }
 };
 
-DECLARE_BOARD(atk_dnesp32s3);
\ No newline at end of file
+DECLARE_BOARD(atk_dnesp32s3);
diff --git a/main/boards/atk-dnesp32s3/config.h b/main/boards/atk-dnesp32s3/config.h
index 8cde6207..cbe72f7a 100644
--- a/main/boards/atk-dnesp32s3/config.h
+++ b/main/boards/atk-dnesp32s3/config.h
@@ -2,11 +2,13 @@
 #ifndef _BOARD_CONFIG_H_
 #define _BOARD_CONFIG_H_
 
+
 #include <driver/gpio.h>
 
 #define AUDIO_INPUT_SAMPLE_RATE      24000
 #define AUDIO_OUTPUT_SAMPLE_RATE     24000
 #define AUDIO_DEFAULT_OUTPUT_VOLUME  90
+#define AUDIO_ADD_OUTPUT_VOLUME      90
 
 #define AUDIO_I2S_GPIO_MCLK GPIO_NUM_3
 #define AUDIO_I2S_GPIO_WS GPIO_NUM_9