diff --git a/lib/compile.js b/lib/compile.js
index 5b3509c..f982d35 100644
--- a/lib/compile.js
+++ b/lib/compile.js
@@ -18,6 +18,7 @@ export async function compileFiles(
   options,
   { verbose, imports, dist } = {}
 ) {
+  let pageDir = options.IS_MPA && currentPage ? `pages/${currentPage}` : ''
   options.currentPage = currentPage
 
   for (let [path, it] of files) {
@@ -40,8 +41,6 @@ export async function compileFiles(
 
     verbose && console.log('  解析 %s ...', it.name)
 
-    let pageDir = options.IS_MPA && currentPage ? `pages/${currentPage}` : ''
-
     switch (it.ext) {
       case '.vue':
         {
diff --git a/lib/prod.js b/lib/prod.js
index 6991cdc..3247c94 100644
--- a/lib/prod.js
+++ b/lib/prod.js
@@ -74,22 +74,6 @@ export default function compile(root = '', dist = '', conf = {}, verbose) {
         : isCustomElement || defaultCustomElement
   }
 
-  // 创建线程池
-  if (THREADS_NUM > 0) {
-    for (let i = 0; i < THREADS_NUM; i++) {
-      WORKER_POOL.add(
-        new Worker(join(__dirname, './thread.js'), {
-          workerData: {
-            options,
-            verbose,
-            dist,
-            imports: conf.imports
-          }
-        })
-      )
-    }
-  }
-
   fs.ls(SOURCE_DIR, true).forEach(path => {
     if (fs.isdir(path)) {
       return
@@ -108,14 +92,29 @@ export default function compile(root = '', dist = '', conf = {}, verbose) {
         return
       }
 
-      if (it.path === conf.inject.scss) {
+      if (path === conf.inject.scss) {
         return
       }
-
       list.set(path, it)
     }
   })
 
+  // 创建线程池
+  if (THREADS_NUM > 0 && (IS_MPA || list.size > THREADS_NUM * 10)) {
+    for (let i = 0; i < THREADS_NUM; i++) {
+      WORKER_POOL.add(
+        new Worker(join(__dirname, './thread.js'), {
+          workerData: {
+            options,
+            verbose,
+            dist,
+            imports: conf.imports
+          }
+        })
+      )
+    }
+  }
+
   // 优先处理静态目录, 之后的源码目录中, 以便如果有产生相同的文件名, 则覆盖静态目录中的文件
   if (fs.isdir(PUBLIC_DIR)) {
     console.log('\n正在处理静态资源 ...')
@@ -152,6 +151,7 @@ export default function compile(root = '', dist = '', conf = {}, verbose) {
         list.delete(path)
         files.set(path, { name, ext })
       })
+
       if (THREADS_NUM > 0) {
         chunk.set(currentPage, { page, files })
         JOBS_QUEUE.push(chunk)
@@ -187,11 +187,10 @@ export default function compile(root = '', dist = '', conf = {}, verbose) {
     let currentPage = PAGES_KEYS[0]
     let page = conf.pages[currentPage]
 
-    list = [...list]
-
     console.log(`正在生成 ${currentPage}.html ...`)
 
-    if (THREADS_NUM > 0) {
+    if (THREADS_NUM > 0 && list.size > THREADS_NUM * 10) {
+      list = [...list]
       for (let i = 0; i < THREADS_NUM; i++) {
         let start = i * chunkSize
         let end = start + chunkSize
@@ -203,6 +202,7 @@ export default function compile(root = '', dist = '', conf = {}, verbose) {
         doJob()
       }
     } else {
+      options.isCustomElement = isCustomElement || defaultCustomElement
       compileFiles(currentPage, page, list, options, {
         verbose,
         dist,