diff --git a/packages/vue-cli-plugin-hbuilderx/packages/webpack-uni-nvue-loader/lib/main.js b/packages/vue-cli-plugin-hbuilderx/packages/webpack-uni-nvue-loader/lib/main.js
index 2fa5377ce629fdc07e944442724669b6dc305623..ddf3183555ef7b69695eadc535c660abb7f03300 100644
--- a/packages/vue-cli-plugin-hbuilderx/packages/webpack-uni-nvue-loader/lib/main.js
+++ b/packages/vue-cli-plugin-hbuilderx/packages/webpack-uni-nvue-loader/lib/main.js
@@ -37,7 +37,7 @@ function getAppStyleCode(stringifyRequest) {
   } catch (e) {}
   styles.forEach((style, index) => {
     code = code +
-      `Vue.prototype.__merge_style(require(${genStyleRequest(style,index,stringifyRequest)}).default,Vue.prototype.__$appStyle__)\n`
+      `Vue.prototype.__merge_style && Vue.prototype.__merge_style(require(${genStyleRequest(style,index,stringifyRequest)}).default,Vue.prototype.__$appStyle__)\n`
   })
   return code
 }