修复 vue2 文字点选验证码 bug

yudao-ui-admin/src/components/Verifition/Verify/VerifyPoints.vue

@@ -223,7 +223,6 @@ export default {
       this.checkPosArr.splice(0, this.checkPosArr.length)
       this.num = 1
       this.getPictrue()
-      this.text = '验证失败'
       this.showRefresh = true
     },