diff --git a/src/core/render/utils.js b/src/core/render/utils.js
index 2b7f0e052..6f2d14fa3 100644
--- a/src/core/render/utils.js
+++ b/src/core/render/utils.js
@@ -5,7 +5,7 @@ export function getAndRemoveConfig(str = '') {
     str = str
       .replace(/^'/, '')
       .replace(/'$/, '')
-      .replace(/(?:^|\s):([\w-]+:?)=?([\w-]+)?/g, (m, key, value) => {
+      .replace(/(?:^|\s):([\w-]+:?)=?([\w-%]+)?/g, (m, key, value) => {
         if (key.indexOf(':') === -1) {
           config[key] = (value && value.replace(/"/g, '')) || true;
           return '';