更新

src/views/studentManager/modals/createMember.vue

@@ -57,9 +57,10 @@
           { validator: validateMember, trigger: 'blur' },
         ]"
       >
+      <!-- onKeypress="return (/[\d]/.test(String.fromCharCode(event.keyCode)))" -->
         <el-input
           type="number"
-          onKeypress="return (/[\d]/.test(String.fromCharCode(event.keyCode)))"
+          @keyup.native='keyupEvent($event)'
           v-model="memberForm.actualAmount"
           placeholder="请输入缴费金额"
         >