diff --git a/app/src/main/java/com/idormy/sms/forwarder/sender/SenderSmsMsg.java b/app/src/main/java/com/idormy/sms/forwarder/sender/SenderSmsMsg.java
index 2976598d..8092dc57 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/sender/SenderSmsMsg.java
+++ b/app/src/main/java/com/idormy/sms/forwarder/sender/SenderSmsMsg.java
@@ -4,16 +4,9 @@ import android.os.Handler;
 import android.util.Log;
 
 import com.idormy.sms.forwarder.utils.LogUtil;
-import com.idormy.sms.forwarder.utils.SettingUtil;
 import com.idormy.sms.forwarder.utils.SimUtil;
 import com.idormy.sms.forwarder.utils.SmsUtil;
 
-import java.util.concurrent.TimeUnit;
-
-import io.reactivex.rxjava3.core.Observable;
-import io.reactivex.rxjava3.core.ObservableEmitter;
-
-@SuppressWarnings("ResultOfMethodCallIgnored")
 public class SenderSmsMsg extends SenderBaseMsg {
 
     static final String TAG = "SenderSmsMsg";
@@ -23,35 +16,16 @@ public class SenderSmsMsg extends SenderBaseMsg {
 
         //TODO：simSlot转subId
         final int subId = SimUtil.getSubscriptionIdBySimId(simSlot);
+        String res = SmsUtil.sendSms(subId, mobiles, text);
 
-        Observable
-                .create((ObservableEmitter<Object> emitter) -> {
-                    Toast(handError, TAG, "开始发送短信...");
+        //TODO:粗略解析是否发送成功
+        if (res == null) {
+            LogUtil.updateLog(logId, 1, "发送成功");
+        } else {
+            LogUtil.updateLog(logId, 0, res);
+            Toast(handError, TAG, "短信发送失败");
+        }
 
-                    String res = SmsUtil.sendSms(subId, mobiles, text);
-
-                    //TODO:粗略解析是否发送成功
-                    if (res == null) {
-                        LogUtil.updateLog(logId, 1, "发送成功");
-                    } else {
-                        LogUtil.updateLog(logId, 0, res);
-                        Toast(handError, TAG, "短信发送失败");
-                        emitter.onError(new RuntimeException("短信发送异常..."));
-                    }
-
-                }).retryWhen((Observable<Throwable> errorObservable) -> errorObservable
-                .zipWith(Observable.just(
-                        SettingUtil.getRetryDelayTime(1),
-                        SettingUtil.getRetryDelayTime(2),
-                        SettingUtil.getRetryDelayTime(3),
-                        SettingUtil.getRetryDelayTime(4),
-                        SettingUtil.getRetryDelayTime(5)
-                ), (Throwable e, Integer time) -> time)
-                .flatMap((Integer delay) -> {
-                    Toast(handError, TAG, "短信发送异常，" + delay + "秒后重试");
-                    return Observable.timer(delay, TimeUnit.SECONDS);
-                }))
-                .subscribe(System.out::println);
     }
 
 }