diff --git a/scripts/start_all.sh b/scripts/start_all.sh
index d01600ff5..9159dde9c 100755
--- a/scripts/start_all.sh
+++ b/scripts/start_all.sh
@@ -102,7 +102,7 @@ for i in ${need_to_start_server_shell[*]}; do
   ./$i
 
   # Check if the script executed successfully
-  if [ $? -ne 0]; then
+  if [ $? -ne 0 ]; then
     # Print error message and exit
     echo -e "${RED_PREFIX}${BOLD_PREFIX}Error executing ${i}. Exiting(please check open-im-server/logs/openIM.log)... ${COLOR_SUFFIX}"
     exit -1