sec-beidou-ehm/src/main/java/com/imdroid/beidou_ehm/simcard/TrafficCardService.java

@@ -37,10 +37,6 @@ public class TrafficCardService {
             // ICCID变更，关闭旧映射，创建新映射
             closeExistingMapping(activeMapping);
             createNewMapping(device.getDeviceid(), currentIccid);
-
-             // 重置MSISDN以强制更新SIM卡号
-             // 换卡了必须重置这些内容，否则会显示旧卡号，后续的查询会出现问题
-            resetCardMsisdn(currentIccid);
             return true;
         }
 
@@ -105,12 +101,4 @@ public class TrafficCardService {
     private void closeExistingMapping(TrafficDeviceMapping mapping) {
         mappingMapper.endMapping(mapping.getId());
     }
-
-    public void resetCardMsisdn(String iccid) {
-        TrafficCard card = trafficCardMapper.findByIccid(iccid);
-        if (card != null && card.getMsisdn() != null && !card.getMsisdn().isEmpty()) {
-            card.setMsisdn("");
-            trafficCardMapper.updateCardInfo(card);
-        }
-    }
 }