diff --git a/app/src/main/java/com/xiaoqu/watch/device/nfc/FiseNfcController.kt b/app/src/main/java/com/xiaoqu/watch/device/nfc/FiseNfcController.kt
index 08edf73..05ae884 100644
--- a/app/src/main/java/com/xiaoqu/watch/device/nfc/FiseNfcController.kt
+++ b/app/src/main/java/com/xiaoqu/watch/device/nfc/FiseNfcController.kt
@@ -82,11 +82,14 @@ class FiseNfcController @Inject constructor() : NfcController {
 
                         // 非空且非全零才算有效卡号（全零=无卡贴近）
                         if (nfcId.isNotEmpty() && nfcId.any { it != '0' }) {
-                            Timber.d("NFC控制: 读到卡号 $nfcId")
+                            Timber.d("NFC控制: 读到卡号 $nfcId，停止轮询")
+                            // 读到有效卡号后立即停止轮询，避免重复回调
+                            stopScan()
                             // 切回主线程回调
                             withContext(Dispatchers.Main) {
                                 callback(nfcId)
                             }
+                            return@launch
                         }
                     }
                 } catch (e: Exception) {