修复提交疏漏

修复变量类型未断言的问题

src/onebot11/main.ts

@@ -279,6 +279,7 @@ export class NapCatOnebot11 {
           member = value;
           break;
         }
+        if (member) {
           const existMembers = groupMembers.get(groupCode);
           if (existMembers) {
             const existMember = existMembers.get(member.uid);
@@ -307,6 +308,7 @@ export class NapCatOnebot11 {
             }
           }
         }
+      }
       // 如果自身是非管理员也许要从这里获取Delete 成员变动 待测试与验证
       const role = (await getGroupMember(groupCode, selfInfo.uin))?.role;
       const isPrivilege = role === 3 || role === 4;