diff --git a/vd960Loop/utilities/at32f421_freertos_demo/src/main.c b/vd960Loop/utilities/at32f421_freertos_demo/src/main.c
index 4a3dcfa..70a1597 100644
--- a/vd960Loop/utilities/at32f421_freertos_demo/src/main.c
+++ b/vd960Loop/utilities/at32f421_freertos_demo/src/main.c
@@ -417,6 +417,12 @@ void uart_report_packet_loop_acs(uint8_t flag)
     uint32_t _misc_val[LOOP_CAPTURE_MAX] = {0};
     uint16_t _interval;
 
+    /*--- 0. 上电抑制: 3秒内不上报, 等线圈稳定 ---*/
+    if (g_loop_states.misc_counter < 60) {  // 60 × 50ms = 3s
+        g_loop_states.report_counter = 0;   // 抑制期清零, 防止出抑制后立即上报
+        return;
+    }
+
     /*--- 1. 检查是否有进场/离开事件 ---*/
     for (i = 0; i < LOOP_CAPTURE_MAX; i++) {
         Loop154_Unit *unit = &g_loop_states.loop_unit[i];