小修改

src/components/mProblemAlert/index.vue

@@ -0,0 +1,25 @@
+<template>
+    <div class="fixed mask-bg-black items-center justify-center h100vh w100vw flex">
+        <div class="">
+
+        </div>
+    </div>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue'
+
+export default defineComponent({
+    setup () {
+        
+
+        return {}
+    }
+})
+</script>
+
+<style scoped>
+.mask-bg-black {
+  background: rgba(0, 0, 0, 0.45);
+}
+</style>