diff --git a/sw_usb_audio/app_usb_aud_fosi_c1/src/extensions/eq.c b/sw_usb_audio/app_usb_aud_fosi_c1/src/extensions/eq.c
index 577c115..fd92cb8 100644
--- a/sw_usb_audio/app_usb_aud_fosi_c1/src/extensions/eq.c
+++ b/sw_usb_audio/app_usb_aud_fosi_c1/src/extensions/eq.c
@@ -1120,6 +1120,8 @@ unsigned char process_send_params(uint8_t data[], uint16_t len) {
         read_request.is_read_request = true;
 
         debug_printf("Read request - Mode: %d, EQ index: %d\n", read_request.mode, read_request.eq_index);
+        // 改动原因：与0x8B一致立即return，避免后续命令分支误处理；UAC1构建下eq_designer仍依赖此读请求
+        return true;
     }
 
     if (data[1] == 0x8a)
@@ -3145,7 +3147,7 @@ unsigned char process_read_params(uint8_t response[]) {
     }
 
     if (read_request.is_read_request == true) {
-#if !UAC1
+#if 1  // 改动原因：fosi_c1 使用 -DUAC1=1 编译，原 #if !UAC1 导致 0x8E 读EQ参数在 HID GET_REPORT 时永不组包，eq_designer 收到全零响应
         debug_printf("Read request information:\n");
         debug_printf("  Mode: %d\n", read_request.mode);
         debug_printf("  EQ index: %d\n", read_request.eq_index);
@@ -3193,15 +3195,6 @@ unsigned char process_read_params(uint8_t response[]) {
 
         // 简化版本不包含系数，只包含基本参数
 
-        #if DEBUG_PRINT_ENABLE == 1
-        DPRINTF("  Filter parameters:\n");
-        DPRINTF("    fc : %08x Hz\n", band->fc);
-        DPRINTF("    Q : %08x\n", band->q);
-        DPRINTF("    bw : %08x Hz\n", band->bw);
-        DPRINTF("    gain : %08x dB\n", band->gain);
-        #endif
-
-        // Copy coefficients
         read_request.is_read_request = false;  // Clear read request flag
         debug_printf("Parameter read processing completed\n");
 
diff --git a/sw_usb_audio/app_usb_aud_fosi_c1_lp/src/extensions/eq.c b/sw_usb_audio/app_usb_aud_fosi_c1_lp/src/extensions/eq.c
index 577c115..fd92cb8 100644
--- a/sw_usb_audio/app_usb_aud_fosi_c1_lp/src/extensions/eq.c
+++ b/sw_usb_audio/app_usb_aud_fosi_c1_lp/src/extensions/eq.c
@@ -1120,6 +1120,8 @@ unsigned char process_send_params(uint8_t data[], uint16_t len) {
         read_request.is_read_request = true;
 
         debug_printf("Read request - Mode: %d, EQ index: %d\n", read_request.mode, read_request.eq_index);
+        // 改动原因：与0x8B一致立即return，避免后续命令分支误处理；UAC1构建下eq_designer仍依赖此读请求
+        return true;
     }
 
     if (data[1] == 0x8a)
@@ -3145,7 +3147,7 @@ unsigned char process_read_params(uint8_t response[]) {
     }
 
     if (read_request.is_read_request == true) {
-#if !UAC1
+#if 1  // 改动原因：fosi_c1 使用 -DUAC1=1 编译，原 #if !UAC1 导致 0x8E 读EQ参数在 HID GET_REPORT 时永不组包，eq_designer 收到全零响应
         debug_printf("Read request information:\n");
         debug_printf("  Mode: %d\n", read_request.mode);
         debug_printf("  EQ index: %d\n", read_request.eq_index);
@@ -3193,15 +3195,6 @@ unsigned char process_read_params(uint8_t response[]) {
 
         // 简化版本不包含系数，只包含基本参数
 
-        #if DEBUG_PRINT_ENABLE == 1
-        DPRINTF("  Filter parameters:\n");
-        DPRINTF("    fc : %08x Hz\n", band->fc);
-        DPRINTF("    Q : %08x\n", band->q);
-        DPRINTF("    bw : %08x Hz\n", band->bw);
-        DPRINTF("    gain : %08x dB\n", band->gain);
-        #endif
-
-        // Copy coefficients
         read_request.is_read_request = false;  // Clear read request flag
         debug_printf("Parameter read processing completed\n");