diff --git a/app/src/main/java/com/idormy/sms/forwarder/utils/PhoneUtils.java b/app/src/main/java/com/idormy/sms/forwarder/utils/PhoneUtils.java
index a1c04485..b7f8fca8 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/utils/PhoneUtils.java
+++ b/app/src/main/java/com/idormy/sms/forwarder/utils/PhoneUtils.java
@@ -388,7 +388,7 @@ public class PhoneUtils {
             }
         }
 
-        Log.d(TAG, "3.通过反射读取卡槽信息，最后通过IMEI去重");
+        /*Log.d(TAG, "3.通过反射读取卡槽信息，最后通过IMEI去重");
         //3.通过反射读取卡槽信息，最后通过IMEI去重
         for (int i = 0; i < getSimCount(); i++) {
             infos.add(getReflexSimInfo(context, i));
@@ -399,7 +399,9 @@ public class PhoneUtils {
                 simInfos.add(new SimInfo());
             }
         }
-        return simInfos;
+        return simInfos;*/
+
+        return infos;
     }
 
     @Nullable
diff --git a/app/src/main/java/com/idormy/sms/forwarder/utils/SimUtil.java b/app/src/main/java/com/idormy/sms/forwarder/utils/SimUtil.java
index 3d4c31fe..ede27e6d 100644
--- a/app/src/main/java/com/idormy/sms/forwarder/utils/SimUtil.java
+++ b/app/src/main/java/com/idormy/sms/forwarder/utils/SimUtil.java
@@ -52,12 +52,30 @@ public class SimUtil {
         return 0;
     }
 
+
+    //通过卡槽ID获取SubscriptionId
+    public static int getSubscriptionIdBySimId(int simId) {
+        try {
+            for (PhoneUtils.SimInfo simInfo : MyApplication.SimInfoList) {
+                Log.d(TAG, "mSimSlotIndex = " + simInfo.mSimSlotIndex);
+                if (simInfo.mSimSlotIndex != -1 && simInfo.mSimSlotIndex == simId) {
+                    return simInfo.mSubscriptionId;
+                }
+            }
+        } catch (Exception e) {
+            Log.d(TAG, "getSimExtra Fail: " + e.getMessage());
+        }
+
+        return 0;
+    }
+
     //获取卡槽备注
     public static String getSimInfo(int simId) {
         String res = "";
         try {
             for (PhoneUtils.SimInfo simInfo : MyApplication.SimInfoList) {
-                if (simInfo.mSimSlotIndex + 1 == simId) {
+                Log.d(TAG, String.valueOf(simInfo));
+                if (simInfo.mSimSlotIndex != -1 && simInfo.mSimSlotIndex + 1 == simId) {
                     res = simInfo.mCarrierName + "_" + simInfo.mNumber;
                     break;
                 }