整理：删除多余的判断

app/src/main/java/com/idormy/sms/forwarder/model/vo/SmsHubVo.java

@@ -30,11 +30,7 @@ public class SmsHubVo implements Serializable {
         this.msgId = UUID.randomUUID().toString();
         if (channel != null) {
             String simInfo = simId == 2 ? SettingUtil.getAddExtraSim2() : SettingUtil.getAddExtraSim1(); //自定义备注优先
-            if (!simInfo.isEmpty()) {
-                simInfo = "SIM" + simId + ":" + simInfo;
-            } else {
-                simInfo = SimUtil.getSimInfo(simId);
-            }
+            simInfo = "SIM" + simId + ":" + simInfo;
             this.channel = simInfo;
         }
         this.content = content;

app/src/main/java/com/idormy/sms/forwarder/receiver/PhoneStateReceiver.java

@@ -81,11 +81,7 @@ public class PhoneStateReceiver extends BroadcastReceiver {
         Log.d(TAG, "getSubscriptionId = " + callInfo.getSubscriptionId());
         int simId = SimUtil.getSimIdBySubscriptionId(callInfo.getSubscriptionId());
         String simInfo = simId == 2 ? SettingUtil.getAddExtraSim2() : SettingUtil.getAddExtraSim1(); //自定义备注优先
-        if (!simInfo.isEmpty()) {
-            simInfo = "SIM" + simId + "_" + simInfo;
-        } else {
-            simInfo = SimUtil.getSimInfo(simId);
-        }
+        simInfo = "SIM" + simId + "_" + simInfo;
 
         if (TextUtils.isEmpty(name)) {
             List<PhoneBookEntity> contacts = ContactHelper.getInstance().getContactByNumber(context, phoneNumber);

app/src/main/java/com/idormy/sms/forwarder/receiver/SmsBroadcastReceiver.java

@@ -53,11 +53,7 @@ public class SmsBroadcastReceiver extends BroadcastReceiver {
 
                         //自定义备注优先
                         simInfo = simId == 2 ? SettingUtil.getAddExtraSim2() : SettingUtil.getAddExtraSim1();
-                        if (!simInfo.isEmpty()) {
-                            simInfo = "SIM" + simId + "_" + simInfo;
-                        } else {
-                            simInfo = SimUtil.getSimInfo(simId);
-                        }
+                        simInfo = "SIM" + simId + "_" + simInfo;
                     } catch (Exception e) {
                         Log.e(TAG, "获取接收手机号失败：" + e.getMessage());
                     }