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 c0cc4815..658a73ba 100644
--- a/mpmaster/src/main/java/com/xypower/mpmaster/sms/SimUtil.java
+++ b/mpmaster/src/main/java/com/xypower/mpmaster/sms/SimUtil.java
@@ -81,7 +81,7 @@ public class SimUtil {
                                         time = 0;
                                         times = time * 3600;
                                     } else {
-                                        times += time;
+                                        times += time * 60;
                                         jsonArray.put(times);
                                     }
                                 }