diff --git a/STM32F103_App1/HardWare/RELAY/ext_relay.c b/STM32F103_App1/HardWare/RELAY/ext_relay.c
index c3b2831..7451446 100644
--- a/STM32F103_App1/HardWare/RELAY/ext_relay.c
+++ b/STM32F103_App1/HardWare/RELAY/ext_relay.c
@@ -378,7 +378,7 @@ void ext_relay_process(void)
                     log_warn("> EXT: SW%d %s未生效 (输出=%02X 反馈=%02X 故障=%02X, 命令前输出=%d 反馈=%d)",
                              cmd_ch + 4, cmd_on ? "开" : "关", s_state, s_fb, s_fault,
                              cmd_state_before, cmd_fb_before);
-                    ext_respond(0, "Load unpowered / relay failure !");   /* 与板载失败文案一致 */
+                    ext_respond(0, "\xE8\xB4\x9F\xE8\xBD\xBD\xE6\x96\xAD\xE5\xBC\x80\xE6\x88\x96\xE7\xBB\xA7\xE7\x94\xB5\xE5\x99\xA8\xE6\x8D\x9F\xE5\x9D\x8F");   /* 负载断开或继电器损坏(UTF-8 字节, 与板载文案一致) */
                 }
                 cmd_txn = TXN_NONE;
                 ext_save_state();      /* 断电记忆: 以实际输出状态落盘 */
diff --git a/STM32F103_App1/HardWare/RELAY/relay.c b/STM32F103_App1/HardWare/RELAY/relay.c
index 7ddd7cc..b5910e8 100644
--- a/STM32F103_App1/HardWare/RELAY/relay.c
+++ b/STM32F103_App1/HardWare/RELAY/relay.c
@@ -34,8 +34,8 @@ void relayCmdProcess(void)
         /* 等待继电器反馈电路稳定 */
         if (HAL_GetTick() - relay_cmd_tick < 100) return;
         fb_after = relayReadFb(ch);
-        /* 测试: 仅第 2 路反馈失败应答改中文(UTF-8 字节转义; 直接写中文=GBK 平台会乱码), 其余路保持英文 */
-        const char *failmsg = (ch == 2) ? "\xE8\xB4\x9F\xE8\xBD\xBD\xE6\x96\xAD\xE5\xBC\x80\xE6\x88\x96\xE7\xBB\xA7\xE7\x94\xB5\xE5\x99\xA8\xE6\x8D\x9F\xE5\x9D\x8F" : "Load unpowered / relay failure !";
+        /* 反馈失败应答平台文案: 负载断开或继电器损坏(UTF-8 字节转义, 平台只认 UTF-8) */
+        const char *failmsg = "\xE8\xB4\x9F\xE8\xBD\xBD\xE6\x96\xAD\xE5\xBC\x80\xE6\x88\x96\xE7\xBB\xA7\xE7\x94\xB5\xE5\x99\xA8\xE6\x8D\x9F\xE5\x9D\x8F";
         if (RELAY_FB_ENABLE) {
             if (MqttInfoStr.Relay_State[ch]) {
                 if (relay_cmd_fb_before == FB_INACTIVE && fb_after == FB_ACTIVE) {