diff --git a/script/await.lua b/script/await.lua
index fa2aea139..227455700 100644
--- a/script/await.lua
+++ b/script/await.lua
@@ -108,6 +108,11 @@ function m.hasID(id, co)
     return m.idMap[id] and m.idMap[id][co] ~= nil
 end
 
+function m.unique(id, callback)
+    m.close(id)
+    m.setID(id, callback)
+end
+
 --- 休眠一段时间
 ---@param time number
 ---@async
diff --git a/script/workspace/workspace.lua b/script/workspace/workspace.lua
index a55e62464..da2f9daf2 100644
--- a/script/workspace/workspace.lua
+++ b/script/workspace/workspace.lua
@@ -469,8 +469,6 @@ function m.flushFiles(scp)
     for uri in pairs(cachedUris) do
         files.delRef(uri)
     end
-    collectgarbage()
-    collectgarbage()
 end
 
 ---@param scp scope
@@ -491,6 +489,8 @@ end
 ---@async
 ---@param scp scope
 function m.awaitReload(scp)
+    await.unique('workspace reload:' .. scp:getName())
+    await.sleep(0.1)
     scp:set('ready', false)
     scp:set('nativeMatcher', nil)
     scp:set('libraryMatcher', nil)