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 810aab0c..71c5d1ad 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/sms/SimUtil.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/sms/SimUtil.java
@@ -575,12 +575,8 @@ public class SimUtil {
                         String[] strings = StringUtils.splitString2(substring);
                         if (strings != null && strings.length > 0) {
                             for (int i = 0; i < strings.length; i++) {
-                                if (i == 0 ) {
-                                    if ("su".equals(strings[0])) {
-                                        ifsu = true;
-                                    } else {
-                                        ifsu = false;
-                                    }
+                                if ("su".equals(strings[i])) {
+                                    ifsu = true;
                                 } else {
                                     shellList.add(strings[i]);
                                 }