fix: 修复 h5 input placeholder 从不可见切换为可见时渲染错乱的问题

src/core/view/components/input/index.vue

@@ -141,7 +141,7 @@ export default {
     })
   },
   mounted () {
-    this._initInputStyle()
+    // this._initInputStyle()
 
     if (this.confirmType === 'search') {
       var formElem = document.createElement('form')
@@ -388,6 +388,8 @@ export default {
 
 	.input-placeholder {
 		color: gray;
+		height: inherit;
+		line-height: inherit;
 	}
 
 	input[type="search"]::-webkit-search-cancel-button {