diff --git a/changelog.md b/changelog.md
index 1654f2e98..d93a3008e 100644
--- a/changelog.md
+++ b/changelog.md
@@ -11,6 +11,7 @@
 * `FIX` [#1368](https://github.com/sumneko/lua-language-server/issues/1368)
 * `FIX` [#1370](https://github.com/sumneko/lua-language-server/issues/1370)
 * `FIX` [#1375](https://github.com/sumneko/lua-language-server/issues/1375)
+* `FIX` [#1391](https://github.com/sumneko/lua-language-server/issues/1391)
 
 ## 3.5.0
 `2022-7-19`
diff --git a/script/library.lua b/script/library.lua
index b3b90933d..57aac066f 100644
--- a/script/library.lua
+++ b/script/library.lua
@@ -504,6 +504,10 @@ local function check3rd(uri)
     if not config.get(uri, 'Lua.workspace.checkThirdParty') then
         return
     end
+    local scp = scope.getScope(uri)
+    if not scp:get 'canCheckThirdParty' then
+        return
+    end
     local thirdConfigs = load3rdConfig(uri) or false
     if not thirdConfigs then
         return
@@ -515,6 +519,7 @@ end
 local function check3rdOfWorkspace(suri)
     local scp = scope.getScope(suri)
     scp:set('thirdConfigsCache', nil)
+    scp:set('canCheckThirdParty', true)
     local id = 'check3rdOfWorkspace:' .. scp:getName()
     await.close(id)
     ---@async