diff --git a/plugins/mysql/versions/5.5/install.sh b/plugins/mysql/versions/5.5/install.sh
index 2b288f16b..7705d6b47 100755
--- a/plugins/mysql/versions/5.5/install.sh
+++ b/plugins/mysql/versions/5.5/install.sh
@@ -16,7 +16,7 @@ mysqlDir=${serverPath}/source/mysql
 
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 Install_mysql()
diff --git a/plugins/mysql/versions/5.6/install.sh b/plugins/mysql/versions/5.6/install.sh
index 01931c7d7..f78f4b4d6 100755
--- a/plugins/mysql/versions/5.6/install.sh
+++ b/plugins/mysql/versions/5.6/install.sh
@@ -19,7 +19,7 @@ mysqlDir=${serverPath}/source/mysql
 
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 Install_mysql()
diff --git a/plugins/mysql/versions/5.7/install.sh b/plugins/mysql/versions/5.7/install.sh
index 88c7427ed..a6341ddd1 100755
--- a/plugins/mysql/versions/5.7/install.sh
+++ b/plugins/mysql/versions/5.7/install.sh
@@ -20,7 +20,7 @@ mysqlDir=${serverPath}/source/mysql
 VERSION="5.7.37"
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 Install_mysql()
diff --git a/plugins/mysql/versions/8.0/install.sh b/plugins/mysql/versions/8.0/install.sh
index b67e6e419..ce6220f24 100755
--- a/plugins/mysql/versions/8.0/install.sh
+++ b/plugins/mysql/versions/8.0/install.sh
@@ -18,7 +18,7 @@ install_tmp=${rootPath}/tmp/mw_install.pl
 mysqlDir=${serverPath}/source/mysql
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 Install_mysql()
diff --git a/plugins/php/versions/53/install.sh b/plugins/php/versions/53/install.sh
index 198c1f2a9..dea4bafe2 100755
--- a/plugins/php/versions/53/install.sh
+++ b/plugins/php/versions/53/install.sh
@@ -53,7 +53,7 @@ fi
 
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+"-j2"}"
+MAKEJN="${SYS_MAKEJN:-"-j2"}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 if [ ! -d $serverPath/php/53 ];then
diff --git a/plugins/php/versions/54/install.sh b/plugins/php/versions/54/install.sh
index 906175223..058f066b3 100755
--- a/plugins/php/versions/54/install.sh
+++ b/plugins/php/versions/54/install.sh
@@ -46,7 +46,7 @@ else
 fi
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 if [ ! -d $serverPath/php/${PHP_VER} ];then
diff --git a/plugins/php/versions/55/install.sh b/plugins/php/versions/55/install.sh
index 5a5999a2b..3c370e396 100755
--- a/plugins/php/versions/55/install.sh
+++ b/plugins/php/versions/55/install.sh
@@ -45,7 +45,7 @@ else
 fi
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j1'}"
+MAKEJN="${SYS_MAKEJN:-'-j1'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 
diff --git a/plugins/php/versions/56/install.sh b/plugins/php/versions/56/install.sh
index 2d17b8c3e..9120b5c05 100755
--- a/plugins/php/versions/56/install.sh
+++ b/plugins/php/versions/56/install.sh
@@ -45,7 +45,7 @@ else
 fi
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 if [ ! -d $serverPath/php/56 ];then
diff --git a/plugins/php/versions/70/install.sh b/plugins/php/versions/70/install.sh
index ca3208dbf..37428c787 100755
--- a/plugins/php/versions/70/install.sh
+++ b/plugins/php/versions/70/install.sh
@@ -46,7 +46,7 @@ fi
 
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 if [ ! -d $serverPath/php/70 ];then
diff --git a/plugins/php/versions/71/install.sh b/plugins/php/versions/71/install.sh
index 43377dc9c..cde6f2f80 100755
--- a/plugins/php/versions/71/install.sh
+++ b/plugins/php/versions/71/install.sh
@@ -44,7 +44,7 @@ else
 fi
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 if [ ! -d $serverPath/php/71 ];then
diff --git a/plugins/php/versions/72/install.sh b/plugins/php/versions/72/install.sh
index 88bd2aac7..15be639c1 100755
--- a/plugins/php/versions/72/install.sh
+++ b/plugins/php/versions/72/install.sh
@@ -45,7 +45,7 @@ else
 fi
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 if [ ! -d $serverPath/php/72 ];then
diff --git a/plugins/php/versions/73/install.sh b/plugins/php/versions/73/install.sh
index 94ca1c81e..89c613228 100755
--- a/plugins/php/versions/73/install.sh
+++ b/plugins/php/versions/73/install.sh
@@ -50,7 +50,7 @@ else
 fi
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 if [ ! -d $serverPath/php/73 ];then
diff --git a/plugins/php/versions/74/install.sh b/plugins/php/versions/74/install.sh
index 292a65223..c2c2c2b54 100755
--- a/plugins/php/versions/74/install.sh
+++ b/plugins/php/versions/74/install.sh
@@ -54,7 +54,7 @@ fi
 
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 echo "$sourcePath/php/php${PHP_VER}"
diff --git a/plugins/php/versions/80/install.sh b/plugins/php/versions/80/install.sh
index 4619c8d23..21ee1e238 100755
--- a/plugins/php/versions/80/install.sh
+++ b/plugins/php/versions/80/install.sh
@@ -53,7 +53,7 @@ else
 fi
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 echo "$sourcePath/php/php${PHP_VER}"
diff --git a/plugins/php/versions/81/install.sh b/plugins/php/versions/81/install.sh
index e24c6d42a..db60546a8 100755
--- a/plugins/php/versions/81/install.sh
+++ b/plugins/php/versions/81/install.sh
@@ -58,7 +58,7 @@ fi
 
 
 # 加快测试速度 For Github Action
-MAKEJN="${SYS_MAKEJN:+'-j2'}"
+MAKEJN="${SYS_MAKEJN:-'-j2'}"
 echo "SYS_MAKEJN:$MAKEJN"
 
 echo "$sourcePath/php/php${PHP_VER}"