diff --git a/README.md b/README.md
index 4f7ea5f1d..0dc359361 100644
--- a/README.md
+++ b/README.md
@@ -107,6 +107,7 @@ docker run -itd --name mw-server --privileged=true -p 7200:7200 -p 80:80 -p 443:
 * 修复PHP扩展intl不加载问题(debian/ubuntu)。
 * 修复redhat安装openresty缺少openssl-devel。
 * docker插件-将就能用。
+* tgbot接收和push任务分离。
 
 ### JSDelivr安装地址
 
diff --git a/plugins/mysql/versions/5.5/install.sh b/plugins/mysql/versions/5.5/install.sh
index e15a48300..dc638a3a2 100755
--- a/plugins/mysql/versions/5.5/install.sh
+++ b/plugins/mysql/versions/5.5/install.sh
@@ -86,6 +86,7 @@ Install_mysql()
 		make -j${cpuCore} && make install && make clean
 
 		if [ -d $serverPath/mysql ];then
+			rm -rf ${mysqlDir}/mysql-${VERSION}
 			echo '5.5' > $serverPath/mysql/version.pl
 			echo '安装完成' > $install_tmp
 		else
diff --git a/plugins/mysql/versions/5.6/install.sh b/plugins/mysql/versions/5.6/install.sh
index 71eab5da8..202b3df84 100755
--- a/plugins/mysql/versions/5.6/install.sh
+++ b/plugins/mysql/versions/5.6/install.sh
@@ -105,6 +105,7 @@ Install_mysql()
 
 
 		if [ -d $serverPath/mysql ];then
+			rm -rf ${mysqlDir}/mysql-${VERSION}
 			echo '5.6' > $serverPath/mysql/version.pl
 			echo '安装完成' > $install_tmp
 		else
diff --git a/plugins/mysql/versions/5.7/install.sh b/plugins/mysql/versions/5.7/install.sh
index 629540352..d98e2c27c 100755
--- a/plugins/mysql/versions/5.7/install.sh
+++ b/plugins/mysql/versions/5.7/install.sh
@@ -118,6 +118,7 @@ Install_mysql()
 		make -j${cpuCore} && make install && make clean
 
 		if [ -d $serverPath/mysql ];then
+			rm -rf ${mysqlDir}/mysql-${VERSION}
 			echo '5.7' > $serverPath/mysql/version.pl
 			echo '安装完成' > $install_tmp
 		else
diff --git a/plugins/mysql/versions/8.0/install.sh b/plugins/mysql/versions/8.0/install.sh
index 4a244de23..c199d5aa7 100755
--- a/plugins/mysql/versions/8.0/install.sh
+++ b/plugins/mysql/versions/8.0/install.sh
@@ -210,6 +210,7 @@ Install_mysql()
 		make -j${cpuCore} && make install && make clean
 
 		if [ -d $serverPath/mysql ];then
+			rm -rf ${mysqlDir}/mysql-${VERSION}
 			echo '8.0' > $serverPath/mysql/version.pl
 			echo '安装完成' > $install_tmp
 		else