diff --git a/Core/Src/freertos.c b/Core/Src/freertos.c
index b941219..ca73d4e 100644
--- a/Core/Src/freertos.c
+++ b/Core/Src/freertos.c
@@ -726,9 +726,9 @@ void start_dac8568_test_task(void const *argument)
       //DAC8568_WriteAndUpdate(CHANNEL_B, (uint16_t)i);
       //DAC8568_WriteAndUpdate(CHANNEL_C, (uint16_t)i);
       //DAC8568_WriteAndUpdate(CHANNEL_D, (uint16_t)i);
-      DAC8568_WriteAndUpdate(CHANNEL_E, (uint16_t)i);
+      //DAC8568_WriteAndUpdate(CHANNEL_E, (uint16_t)i);
       //DAC8568_WriteAndUpdate(CHANNEL_F, (uint16_t)i);
-      DAC8568_WriteAndUpdate(CHANNEL_G, (uint16_t)i);
+      //DAC8568_WriteAndUpdate(CHANNEL_G, (uint16_t)i);
       //DAC8568_WriteAndUpdate(CHANNEL_H, (uint16_t)i); 
 
 
@@ -742,7 +742,7 @@ void start_dac8568_test_task(void const *argument)
         //     float voltage = 2.5f * 2.0f * i / 65536.0f;
             
             // 延时2秒
-            osDelay(2000);
+            osDelay(1000);
         //}
     }
 }
\ No newline at end of file
diff --git a/User/application/src/tcpserverc.c b/User/application/src/tcpserverc.c
index fb8c36a..8196a46 100644
--- a/User/application/src/tcpserverc.c
+++ b/User/application/src/tcpserverc.c
@@ -729,39 +729,66 @@ static err_t tcpecho_recv_control(void *arg, struct tcp_pcb *tpcb, struct pbuf *
                     uint16_t dac_value;
                     uint16_t dac161s_value;
                     uint16_t digital_value;
+                    float voltage;
+                    uint32_t dac_out;
+                    const float SCALE_FACTOR = 1000.0f;  // 新的比例系数，输入值除以1000得到实际电压值
 
                     // 处理DAC8568的8个通道输出
                     // 通道A (CH0)
                     dac_value = (tcp_rx_data[9] << 8) | tcp_rx_data[10];
-                    DAC8568_WriteAndUpdate(CHANNEL_A, dac_value);
+                    voltage = dac_value / SCALE_FACTOR;  // 转换为实际电压值
+                    dac_out = (uint32_t)((voltage / 2.5f) * 65535.0f);  // 2.5V参考电压
+                    if(dac_out > 65535) dac_out = 65535;  // 限制最大值
+                    DAC8568_WriteAndUpdate(CHANNEL_A, (uint16_t)dac_out);
                     
                     // 通道B (CH4)
                     dac_value = (tcp_rx_data[11] << 8) | tcp_rx_data[12];
-                    DAC8568_WriteAndUpdate(CHANNEL_B, dac_value);
+                    voltage = dac_value / SCALE_FACTOR;
+                    dac_out = (uint32_t)((voltage / 2.5f) * 65535.0f);
+                    if(dac_out > 65535) dac_out = 65535;
+                    DAC8568_WriteAndUpdate(CHANNEL_B, (uint16_t)dac_out);
                     
                     // 通道C (CH1)
                     dac_value = (tcp_rx_data[13] << 8) | tcp_rx_data[14];
-                    DAC8568_WriteAndUpdate(CHANNEL_C, dac_value);
+                    voltage = dac_value / SCALE_FACTOR;
+                    dac_out = (uint32_t)((voltage / 2.5f) * 65535.0f);
+                    if(dac_out > 65535) dac_out = 65535;
+                    DAC8568_WriteAndUpdate(CHANNEL_C, (uint16_t)dac_out);
                     
                     // 通道D (CH5)
                     dac_value = (tcp_rx_data[15] << 8) | tcp_rx_data[16];
-                    DAC8568_WriteAndUpdate(CHANNEL_D, dac_value);
+                    voltage = dac_value / SCALE_FACTOR;
+                    dac_out = (uint32_t)((voltage / 2.5f) * 65535.0f);
+                    if(dac_out > 65535) dac_out = 65535;
+                    DAC8568_WriteAndUpdate(CHANNEL_D, (uint16_t)dac_out);
                     
                     // 通道E (CH2)
                     dac_value = (tcp_rx_data[17] << 8) | tcp_rx_data[18];
-                    DAC8568_WriteAndUpdate(CHANNEL_E, dac_value);
+                    voltage = dac_value / SCALE_FACTOR;
+                    dac_out = (uint32_t)((voltage / 2.5f) * 65535.0f);
+                    if(dac_out > 65535) dac_out = 65535;
+                    DAC8568_WriteAndUpdate(CHANNEL_E, (uint16_t)dac_out);
                     
                     // 通道F (CH6)
                     dac_value = (tcp_rx_data[19] << 8) | tcp_rx_data[20];
-                    DAC8568_WriteAndUpdate(CHANNEL_F, dac_value);
+                    voltage = dac_value / SCALE_FACTOR;
+                    dac_out = (uint32_t)((voltage / 2.5f) * 65535.0f);
+                    if(dac_out > 65535) dac_out = 65535;
+                    DAC8568_WriteAndUpdate(CHANNEL_F, (uint16_t)dac_out);
                     
                     // 通道G (CH3)
                     dac_value = (tcp_rx_data[21] << 8) | tcp_rx_data[22];
-                    DAC8568_WriteAndUpdate(CHANNEL_G, dac_value);
+                    voltage = dac_value / SCALE_FACTOR;
+                    dac_out = (uint32_t)((voltage / 2.5f) * 65535.0f);
+                    if(dac_out > 65535) dac_out = 65535;
+                    DAC8568_WriteAndUpdate(CHANNEL_G, (uint16_t)dac_out);
                     
                     // 通道H (CH7)
                     dac_value = (tcp_rx_data[23] << 8) | tcp_rx_data[24];
-                    DAC8568_WriteAndUpdate(CHANNEL_H, dac_value);
+                    voltage = dac_value / SCALE_FACTOR;
+                    dac_out = (uint32_t)((voltage / 2.5f) * 65535.0f);
+                    if(dac_out > 65535) dac_out = 65535;
+                    DAC8568_WriteAndUpdate(CHANNEL_H, (uint16_t)dac_out);
 
                     //HART电流输出
                     dac161s_value = (tcp_rx_data[25] << 8) | tcp_rx_data[26];
@@ -774,9 +801,9 @@ static err_t tcpecho_recv_control(void *arg, struct tcp_pcb *tpcb, struct pbuf *
                     //tcp_rx_data[30]
 
                     // 数字量输出刷新第一个芯片的输出状态
-                    TCA6416_WritePort(0, tcp_rx_data[31]);  // 直接写入Port0的值8-15
+                    TCA6416_WritePort(0, tcp_rx_data[27]);  // 直接写入Port0的值8-15
                     osDelay(10);
-                    TCA6416_WritePort(1, tcp_rx_data[32]);  // 写入Port1的值0-7
+                    TCA6416_WritePort(1, tcp_rx_data[28]);  // 写入Port1的值0-7
                     osDelay(10);
 
                     // 保存设置的数据到adc_set_data数组