学校登录可按条件查询，修复brand删除后更新错误

src/component/LoginPage/verificationCodeInput.vue

@@ -2,8 +2,9 @@
   <div id="app">
     <div class="captcha">
       <input v-for="(c, index) in getCtData" :key="index"
-		type="number"
+		type="text"
         v-model="getCtData[index]" ref="input" 
+		pattern="[0-9]*"
         @input="e => {onInput(e.target.value, index)}" 
         @keydown.delete="e=>{onKeydown(e.target.value, index)}"
         @focus="onFocus"
@@ -54,7 +55,9 @@ export default defineComponent({
   },
   methods: {
     onInput(val, index) {
-      val = val.replace(/\D/g, '');
+		// val = val.replace(/[^0-9]/g, '');
+	    val = String(val).replace(/\D/g, '');
+		this.getCtData[index] = val
       if (index == this.ctSize - 1) {
         this.getCtData[this.ctSize - 1] = val[0];   // 最后一个码，只允许输入一个字符。
       } else if(val.length > 1) {