diff --git a/sysgo/UI/util_funcs.go b/sysgo/UI/util_funcs.go
index e6e0c53..2c5e9ce 100644
--- a/sysgo/UI/util_funcs.go
+++ b/sysgo/UI/util_funcs.go
@@ -215,6 +215,9 @@ func GetUid(path string) int {
 }
 
 func  CheckBattery() int {
+  if UI.FileExists(sysgo.Battery) == false {
+    return
+  }
   batinfos,err := ReadLines(sysgo.Battery)
   if err == nil {
     for _,v := range batinfos {