diff --git a/hiwifi-b70.sh b/hiwifi-b70.sh
index 5d6ce00..829e41e 100644
--- a/hiwifi-b70.sh
+++ b/hiwifi-b70.sh
@@ -151,7 +151,7 @@ ask_input() {
   local prompt="$1"
   local default="$2"
 
-  read -p "${prompt} [默认: ${default}]: " value
+  read -p "${prompt} [ 默认: ${default} ]: " value
 
   if [ -z "$value" ]; then
     echo "$default"
diff --git a/newifi3_d2.sh b/newifi3_d2.sh
index 2dfebeb..bdf1dc2 100644
--- a/newifi3_d2.sh
+++ b/newifi3_d2.sh
@@ -42,7 +42,7 @@ ask_input() {
   local prompt="$1"
   local default="$2"
 
-  read -p "${prompt} [默认: ${default}]: " value
+  read -p "${prompt} [ 默认: ${default} ]: " value
 
   if [ -z "$value" ]; then
     echo "$default"
diff --git a/r2s.sh b/r2s.sh
index 95e13d6..9bdc18e 100644
--- a/r2s.sh
+++ b/r2s.sh
@@ -198,7 +198,7 @@ ask_input() {
   local prompt="$1"
   local default="$2"
 
-  read -p "${prompt} [默认: ${default}]: " value
+  read -p "${prompt} [ 默认: ${default} ]: " value
 
   if [ -z "$value" ]; then
     echo "$default"
diff --git a/x86-64.sh b/x86-64.sh
index 827d9b7..01e512b 100644
--- a/x86-64.sh
+++ b/x86-64.sh
@@ -224,7 +224,7 @@ ask_input() {
   local prompt="$1"
   local default="$2"
 
-  read -p "${prompt} [默认: ${default}]: " value
+  read -p "${prompt} [ 默认: ${default} ]: " value
 
   if [ -z "$value" ]; then
     echo "$default"