diff --git a/bash_tools/theme_bash.sh b/bash_tools/theme_bash.sh
index e173e47..4ef609f 100644
--- a/bash_tools/theme_bash.sh
+++ b/bash_tools/theme_bash.sh
@@ -6,7 +6,7 @@ if [[ $(type -t __git_ps1) != function ]]; then
 
         local branch=`git branch 2>/dev/null | grep '*' | sed 's/* \(.*\)/\1/'`
         
-        if [ $? ]; then
+        if [ -n "$branch" ]; then
             status=`git status 2>/dev/null`
             local stage_info="not staged for commit"
             local commit_info="Changes to be committed"
diff --git a/test.sh b/test.sh
deleted file mode 100755
index 2e5a14d..0000000
--- a/test.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-
-a="asfsdfs
-dfdfd
-fdfff
-ggg"
-
-grep ggg $a