[fix](banner管理): bug#8277

src/page/main/home-config/banner/edit/banner-form.vue

 <template>
   <el-form :model="formData" :rules="formRules" ref="form" style="max-width: 1048px" class="form">
     <el-form-item label="banner名称" prop="banner_name">
-      <el-input v-model.trim="formData.banner_name" />
+      <el-input v-model.trim="formData.banner_name" show-word-limit maxlength="30" />
     </el-form-item>
     <el-form-item label="链接地址（选填）" prop="link_address">
       <el-input v-model.trim="formData.link_address" />
@@ -39,6 +39,7 @@ const state = reactive({
   },
   formRules: {
     banner_name: [{ required: true, message: "请输入banner名称", trigger: "blur" }],
+    link_address: [{max: 8182, message: "最长可输入8182个字符", trigger: "blur" }],
     banner_image: [{ required: true, message: "请上传banner图", trigger: "change" }],
     state: [{ required: true, message: "请选择启用状态", trigger: "change" }],
   },