diff --git a/sdata/lib/functions.sh b/sdata/lib/functions.sh
index 62024d683..dbcf7e8d2 100644
--- a/sdata/lib/functions.sh
+++ b/sdata/lib/functions.sh
@@ -62,7 +62,7 @@ function x(){
 function showfun(){
   echo -e "${STY_BLUE}[$0]: The definition of function \"$1\" is as follows:${STY_RST}"
   printf "${STY_GREEN}"
-  type -a "$1" 2>/dev/null || type -a "$1".sh 2>/dev/null || return 1
+  type -a "$1" 2>/dev/null || return 1
   printf "${STY_RST}"
 }
 function pause(){
@@ -290,4 +290,4 @@ function check_disk_space() {
   fi
   
   return 0
-}
\ No newline at end of file
+}
diff --git a/sdata/step/exp-update.sh b/sdata/step/exp-update.sh
old mode 100755
new mode 100644