diff --git a/packages/vue-generator/src/generator/vue/sfc/generateStyle.js b/packages/vue-generator/src/generator/vue/sfc/generateStyle.js
index 53fe284f01..f4b533d569 100644
--- a/packages/vue-generator/src/generator/vue/sfc/generateStyle.js
+++ b/packages/vue-generator/src/generator/vue/sfc/generateStyle.js
@@ -13,5 +13,5 @@ export const generateStyleTag = (schema, config = {}) => {
     langDesc = `lang=${langDesc}`
   }
 
-  return `<style ${langDesc} ${scopedStr}> ${css} </style>`
+  return `<style ${langDesc} ${scopedStr}> ${css || ''} </style>`
 }