diff --git a/STM32F103_App1/HardWare/NETWORK/network.c b/STM32F103_App1/HardWare/NETWORK/network.c
index 7b46d9b..312d78a 100644
--- a/STM32F103_App1/HardWare/NETWORK/network.c
+++ b/STM32F103_App1/HardWare/NETWORK/network.c
@@ -341,6 +341,33 @@ void NET_publish_response(const char *cmd_id, int ok, const char *msg)
     net_at_unlock();
 }
 
+/* 指令应答可靠版: 4G 通道等模组回 OK(约1.5s/次, 重试2次), 失败打 WARN;
+ * 背景: 普通版发完就走, 模组 UART 应答交织/链路半死时应答丢失,
+ * 表现为"继电器已动作但平台显示响应超时" */
+int NET_publish_response_wait(const char *cmd_id, int ok, const char *msg)
+{
+    if (g_net_tx_busy) { log_info("> NET: 应答上报被丢弃 (OTA忙)"); return -1; }
+    if (net_at_trylock() != 0) { log_info("> NET: 应答上报被丢弃 (AT 忙)"); return -1; }
+    const char *text = msg ? msg : (ok ? "OK" : "command failed");
+    int rc = 0;
+    if (s_backend == NET_BACKEND_4G) {
+        static char cmd[256];
+        sprintf(cmd, "AT+MPUB=\\22/iot/data/up/%s\\22,0,0,\\22{\\22id\\22:\\22%s\\22,\\22code\\22:0,\\22message\\22:\\22%s\\22}\\22",
+            MqttInfoStr.ClientID, cmd_id, text);
+        if (catSendCmd(cmd, "OK", 2, 15) != 0) {
+            rc = -1;
+            log_warn("> NET: 指令应答发送失败(重试后仍无 OK)");
+        }
+    } else {
+        char json[200];
+        snprintf(json, sizeof(json),
+            "{\"id\":\"%s\",\"code\":0,\"message\":\"%s\"}", cmd_id, text);
+        net_wifi_publish_up(json);
+    }
+    net_at_unlock();
+    return rc;
+}
+
 /* 上报代码版本字符串: ver 字段，内容即 FIRMWARE_VERSION_STR（每次联网成功报一次） */
 void NET_publish_version(const char *ver)
 {
diff --git a/STM32F103_App1/HardWare/NETWORK/network.h b/STM32F103_App1/HardWare/NETWORK/network.h
index e9edddf..ca3e9a7 100644
--- a/STM32F103_App1/HardWare/NETWORK/network.h
+++ b/STM32F103_App1/HardWare/NETWORK/network.h
@@ -56,6 +56,7 @@ void NET_esp_power(uint8_t on);   /* WiFi 模
 int  NET_publish_status(int sw1, int feeding, int sw2, int sw3, int sw4,
                         float weight_kg, float once_wt_kg, float zero_kg);   /* 返回 0=已发出 */
 void NET_publish_response(const char *cmd_id, int ok, const char *msg);
+int  NET_publish_response_wait(const char *cmd_id, int ok, const char *msg);   /* 等模组 OK+重试, 指令应答专用(防丢失); 0=发出 -1=失败 */
 int  NET_publish_power(int on);
 int  NET_publish_power_wait(int on);   /* 断电预警专用：等模组 OK，0=已受理 */
 void NET_publish_version(const char *ver);   /* 上报代码版本字符串(FIRMWARE_VERSION_STR) */   /* 返回 0=已发出，-1=通道忙被丢弃 */
diff --git a/STM32F103_App1/HardWare/RELAY/ext_relay.c b/STM32F103_App1/HardWare/RELAY/ext_relay.c
index 95692a8..b1d5c02 100644
--- a/STM32F103_App1/HardWare/RELAY/ext_relay.c
+++ b/STM32F103_App1/HardWare/RELAY/ext_relay.c
@@ -174,7 +174,7 @@ static void ext_note_fail(void)
 static void ext_respond(int ok, const char *msg)
 {
     if (cmd_id[0]) {
-        NET_publish_response(cmd_id, ok, msg);
+        NET_publish_response_wait(cmd_id, ok, msg);   /* 等模组 OK+重试, 防应答丢失 */
         cmd_id[0] = 0;
     }
 }
diff --git a/STM32F103_App1/HardWare/RELAY/relay.c b/STM32F103_App1/HardWare/RELAY/relay.c
index b90dbc2..c438dce 100644
--- a/STM32F103_App1/HardWare/RELAY/relay.c
+++ b/STM32F103_App1/HardWare/RELAY/relay.c
@@ -40,23 +40,23 @@ void relayCmdProcess(void)
             if (MqttInfoStr.Relay_State[ch]) {
                 if (relay_cmd_fb_before == FB_INACTIVE && fb_after == FB_ACTIVE) {
                     log_info("> 继电器: SW%d 动作正常", ch);
-                    NET_publish_response(relay_cmd_id, 1, "OK");
+                    NET_publish_response_wait(relay_cmd_id, 1, "OK");
                 } else {
                     log_warn("> 继电器: SW%d 未接负载或继电器断开", ch);
-                    NET_publish_response(relay_cmd_id, 0, failmsg);
+                    NET_publish_response_wait(relay_cmd_id, 0, failmsg);
                 }
             } else {
                 if (relay_cmd_fb_before == FB_ACTIVE && fb_after == FB_INACTIVE) {
                     log_info("> 继电器: SW%d 动作正常", ch);
-                    NET_publish_response(relay_cmd_id, 1, "OK");
+                    NET_publish_response_wait(relay_cmd_id, 1, "OK");
                 } else {
                     log_warn("> 继电器: SW%d 未接负载或继电器断开", ch);
-                    NET_publish_response(relay_cmd_id, 0, failmsg);
+                    NET_publish_response_wait(relay_cmd_id, 0, failmsg);
                 }
             }
         } else {
             log_info("> 继电器: SW%d 动作正常", ch);
-            NET_publish_response(relay_cmd_id, 1, "OK");
+            NET_publish_response_wait(relay_cmd_id, 1, "OK");
         }
         /* 参考 APP1: 命令响应后立即上报一次全状态, 让平台刷新开关状态 */
         relayStatueUpdata();
diff --git a/STM32F103_App1/MDK-ARM/STM32F103rb_App1.uvoptx b/STM32F103_App1/MDK-ARM/STM32F103rb_App1.uvoptx
index 21ae48c..0f099a4 100644
--- a/STM32F103_App1/MDK-ARM/STM32F103rb_App1.uvoptx
+++ b/STM32F103_App1/MDK-ARM/STM32F103rb_App1.uvoptx
@@ -316,7 +316,7 @@
 
   <Group>
     <GroupName>Middlewares/FreeRTOS</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -389,7 +389,7 @@
 
   <Group>
     <GroupName>Drivers/STM32F1xx_HAL_Driver</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -605,7 +605,7 @@
 
   <Group>
     <GroupName>Drivers/CMSIS</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -626,7 +626,7 @@
 
   <Group>
     <GroupName>m_app</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -963,6 +963,19 @@
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
+    <File>
+      <GroupNumber>7</GroupNumber>
+      <FileNumber>53</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <Focus>0</Focus>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\HardWare\OLED\qrcodegen.c</PathWithFileName>
+      <FilenameWithoutPath>qrcodegen.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
   </Group>
 
   <Group>
@@ -973,7 +986,7 @@
     <RteFlg>0</RteFlg>
     <File>
       <GroupNumber>8</GroupNumber>
-      <FileNumber>53</FileNumber>
+      <FileNumber>54</FileNumber>
       <FileType>5</FileType>
       <tvExp>0</tvExp>
       <Focus>0</Focus>
diff --git a/鐗堟湰璇存槑.md b/鐗堟湰璇存槑.md
index 90fe207..7c46d66 100644
--- a/鐗堟湰璇存槑.md
+++ b/鐗堟湰璇存槑.md
@@ -21,6 +21,10 @@
   鎺у埗鍛戒护鏀逛笁娈靛紡锛欶C03 棰勮锛堝垽瀹氬湪绾� + 蹇収鍛戒护鍓嶅弽棣堬級鈫� FC05 鈫� 150ms 鈫� FC03 鏍￠獙璺冲彉锛�
   鍛戒护閾捐矾鏈�缁堟棤搴旂瓟鍗冲垽绂荤嚎骞跺簲绛斿钩鍙� `ext relay board offline`锛屼笅娆″懡浠よ嚜鍔ㄩ噸鏂版帰娴嬫仮澶嶏紱
   鏂數鎭㈠瑙﹀彂鐐逛笉鍙橈紙绂荤嚎鈫掍笂绾挎瘮瀵� EEPROM 閫愯矾琛ュ彂锛�
+- **鎸囦护搴旂瓟鏀瑰彲闈犲彂閫�**锛堜慨澶�"缁х數鍣ㄥ凡鍔ㄤ綔浣嗗钩鍙板搷搴旇秴鏃�"锛夛細鏂板 `NET_publish_response_wait()`锛�
+  4G 閫氶亾绛夋ā缁勫洖 OK锛垀1.5s/娆★紝閲嶈瘯 2 娆★紝浠嶅け璐ユ墦 WARN锛夛紱缁х數鍣ㄥ弽棣堝簲绛旓紙鏉胯浇 relayCmdProcess 3 澶�+
+  鎵╁睍鏉� ext_respond锛夊叏閮ㄦ崲鐢ㄣ�傚師鍥狅細鏅�氱増 NET_publish_response 鍙戝畬灏辫蛋涓嶇瓑 OK锛孶ART 搴旂瓟浜ょ粐/
+  閾捐矾鍗婃鏃跺簲绛斾涪澶便�傛敞鎰忔帓鏌ユ椂韪╄繃 `` 琚啓鎴� 0x12 鐨勫潙锛圕 婧愮爜蹇呴』鏄� `\22`锛�
 - **寮�鏈轰簩缁寸爜椤�**锛氬凡閰嶇疆韬唤鐨勮澶囧紑鏈哄悗 OLED 鏄剧ず 10s 浜岀淮鐮佲�斺�斿唴瀹逛负璁惧 ClientID
   锛坄MqttInfoStr.ClientID`锛屼笉鏄骇鍝� ID/瀵嗙爜锛夛紝宸︿晶 QR 鐧藉簳鏆楃爜锛圢ayuki qrcodegen锛孧IT锛孷1~V3 鑷姩/ECC-L/2px 妯″潡锛夛紝
   鍙充晶 x=64 璧峰垎琛屾樉绀� ID 鏂囨湰锛�10s 鍚庤嚜鍔ㄥ垏鍥炴甯哥晫闈紝鏈熼棿鎶戝埗棰勮皟搴﹀懆鏈熷埛鏂伴槻姝㈣鐩栵紱