diff --git a/3rdparty/ext_mysql/CMakeLists.txt b/3rdparty/ext_mysql/CMakeLists.txt
index 0244f1aa1..fa8f0d1aa 100644
--- a/3rdparty/ext_mysql/CMakeLists.txt
+++ b/3rdparty/ext_mysql/CMakeLists.txt
@@ -1,45 +1,45 @@
 ExternalProject_Add(
   ext_mysql
   DOWNLOAD_DIR ${EXT_DOWNLOAD_DIR}
-  URL https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-boost-8.0.12.tar.gz
+  URL https://mirrors.sohu.com/mysql/MySQL-8.0/mysql-boost-8.0.12.tar.gz
   URL_MD5 82ba7cc22755f77635768c6e6d184161
 
   CMAKE_ARGS ${CMAKE_GLOBAL_PROFILE}
               -DWITH_BOOST=<SOURCE_DIR>/boost
               -DBUILD_CONFIG=mysql_release
               -DWITH_LZMA=system
               -DWITH_ICU=system
               -DINSTALL_STATIC_LIBRARIES=OFF
 #               -DCPACK_MONOLITHIC_INSTALL=1
 #               -DIGNORE_AIO_CHECK=1
 
 
   BUILD_COMMAND "" # on default whole server would be built
   INSTALL_COMMAND ""
   DEPENDS ext_ncurses ext_openssl
 )
 
 # build and install client only
 ExternalProject_Add_Step(
 ext_mysql client
 COMMAND ${CMAKE_MAKE_PROGRAM}
 COMMAND ${CMAKE_MAKE_PROGRAM} install
 DEPENDEES install
 WORKING_DIRECTORY <BINARY_DIR>/libmysql
 )
 
 ExternalProject_Add_Step(
 ext_mysql scripts
 COMMAND ${CMAKE_MAKE_PROGRAM}
 COMMAND ${CMAKE_MAKE_PROGRAM} install
 DEPENDEES client
 WORKING_DIRECTORY <BINARY_DIR>/scripts
 )
 
 # build and install headers
 ExternalProject_Add_Step(
 ext_mysql headers
 COMMAND ${CMAKE_MAKE_PROGRAM}
 COMMAND ${CMAKE_MAKE_PROGRAM} install
 DEPENDEES scripts
-WORKING_DIRECTORY <BINARY_DIR>/include)
\ No newline at end of file
+WORKING_DIRECTORY <BINARY_DIR>/include)