diff --git a/mpmaster/src/main/java/com/xypower/mpmaster/sms/SimUtil.java b/mpmaster/src/main/java/com/xypower/mpmaster/sms/SimUtil.java
index e4d57968..272650b8 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/sms/SimUtil.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/sms/SimUtil.java
@@ -792,7 +792,7 @@ public class SimUtil {
     }
 
     private static String queryConfigFile(Context context, String content) {
-        String result = "";
+        String result = "ERR";
 
         try {
             String[] parts = TextUtils.split(content.substring(SmsTypeEnum.UPD_CFG_FILE.value().length()), "(\\s|,|，)");