lua脚本运行时候报这错，啥意思？已经一天了没有解决，跪求老哥解决。
E:\esp32\u-lua-ide\bin\lua53.exe: ...tor\Desktop\lua\ver4_boot_ota_20210319-charger\guide.lua:1: module 'luasql.mysql' not found:
no field package.preload['luasql.mysql']
no file 'E:\esp32\u-lua-ide\bin\lua\luasql\mysql.lua'
no file 'E:\esp32\u-lua-ide\bin\lua\luasql\mysql\init.lua'
no file 'E:\esp32\u-lua-ide\bin\luasql\mysql.lua'
no file 'E:\esp32\u-lua-ide\bin\luasql\mysql\init.lua'
no file 'E:\esp32\u-lua-ide\bin\..\share\lua\5.3\luasql\mysql.lua'
no file 'E:\esp32\u-lua-ide\bin\..\share\lua\5.3\luasql\mysql\init.lua'
no file '.\luasql\mysql.lua'
no file '.\luasql\mysql\init.lua'
no file 'D:\Program Files (x86)\Lua\5.1\lua\luasql\mysql.luac'
no file './luasql\mysql.lua'
no file './luasql\mysql/init.lua'
no file './lua/luasql\mysql.lua'
no file './lua/luasql\mysql/init.lua'
no file 'E:\esp32\u-lua-ide\lualibs/luasql\mysql/luasql\mysql.lua'
no file 'E:\esp32\u-lua-ide\lualibs/luasql\mysql.lua'
no file 'E:\esp32\u-lua-ide\lualibs/luasql\mysql/luasql\mysql/init.lua'
no file 'E:\esp32\u-lua-ide\lualibs/luasql\mysql/init.lua'
no file 'D:\Program Files (x86)\Lua\5.1/luasql\mysql.lua'
no file 'D:\Program Files (x86)\Lua\5.1/luasql\mysql/init.lua'
no file 'D:\Program Files (x86)\Lua\5.1/lua/luasql\mysql.lua'
no file 'D:\Program Files (x86)\Lua\5.1/lua/luasql\mysql/init.lua'
no file 'E:\esp32\u-lua-ide\lualibs/luasql\mysql.lua'
no file 'E:\esp32\u-lua-ide\lualibs/luasql\mysql/luasql\mysql.lua'
no file 'E:\esp32\u-lua-ide\lualibs/luasql\mysql/init.lua'
no file 'E:\esp32\u-lua-ide\bin\luasql\mysql.dll'
no file 'E:\esp32\u-lua-ide\bin\..\lib\lua\5.3\luasql\mysql.dll'
no file 'E:\esp32\u-lua-ide\bin\loadall.dll'
no file '.\luasql\mysql.dll'
no file 'E:\esp32\u-lua-ide\bin/clibs53/luasql\mysql.dll'
no file 'D:\Program Files (x86)\Lua\5.1/luasql\mysql.dll'
no file 'D:\Program Files (x86)\Lua\5.1/luasql\mysql51.dll'
no file 'D:\Program Files (x86)\Lua\5.1/clibs53/luasql\mysql.dll'
no file 'D:\Program Files (x86)\Lua\5.1/clibs53/luasql\mysql51.dll'
no file 'E:\esp32\u-lua-ide\bin\luasql.dll'
no file 'E:\esp32\u-lua-ide\bin\..\lib\lua\5.3\luasql.dll'
no file 'E:\esp32\u-lua-ide\bin\loadall.dll'
no file '.\luasql.dll'
no file 'E:\esp32\u-lua-ide\bin/clibs53/luasql.dll'
no file 'D:\Program Files (x86)\Lua\5.1/luasql.dll'
no file 'D:\Program Files (x86)\Lua\5.1/luasql51.dll'
no file 'D:\Program Files (x86)\Lua\5.1/clibs53/luasql.dll'
no file 'D:\Program Files (x86)\Lua\5.1/clibs53/luasql51.dll'
stack traceback:
[C]: in function 'require'
...tor\Desktop\lua\ver4_boot_ota_20210319-charger\guide.lua:1: in main chunk
[C]: in ?
程序于 0.55 秒完成 (pid: 6188).
缺一个luasql/mysql.dll的文件。