fix: 修复 dateset 使用驼峰写法时获取数据格式不一致的问题 question/119034

src/core/helpers/index.js

@@ -45,7 +45,7 @@ export function getTargetDataset (target) {
     const $attrs = vm.$attrs
     for (const key in $attrs) {
       if (key.startsWith('data-')) {
-        const newKey = camelize(key.substr(5))
+        const newKey = camelize(key.substr(5).toLowerCase())
         const value = $attrs[key]
         dataset[newKey] = force ? value : dataset[newKey] || value
       }