fix: 编辑会员基础信息时，如果性别已经明确就隐藏未知选项

src/components/wechatmembers/wechatTotalDetail.vue

@@ -504,7 +504,7 @@
           <el-col :span="12">
             <el-form-item label="性别" prop="memberGender">
               <el-select style="width: 100%" v-model="baseForm.memberGender" placeholder="请选择">
-                <el-option :key=0  :value=0 label="未知"></el-option>
+                <el-option v-if="memberbaseinfo.memberGender == 0" :key=0  :value=0 label="未知"></el-option>
                 <el-option :key=1  :value=1 label="男"></el-option>
                 <el-option :key=2  :value=2 label="女"></el-option>
               </el-select>