fix：发送欢迎语特殊字符replaceall处理

haoban-manage3-service/src/main/java/com/gic/haoban/manage/service/service/out/impl/MemberUnionidRelatedApiServiceImpl.java

@@ -91,6 +91,7 @@ import org.springframework.stereotype.Service;
 
 import java.util.*;
 import java.util.concurrent.TimeUnit;
+import java.util.regex.Matcher;
 import java.util.stream.Collectors;
 
 @Service
@@ -706,7 +707,7 @@ public class MemberUnionidRelatedApiServiceImpl implements MemberUnionidRelatedA
             return;
         }
         //内容
-        String content = welcomeDetailBO.getWelcomeContent().replaceAll("<微信昵称>", dto.getExternalName());
+        String content = welcomeDetailBO.getWelcomeContent().replaceAll("<微信昵称>", Matcher.quoteReplacement(dto.getExternalName()));
         QywxWelcomeMsgDTO qywxWelcomeMsgDTO = new QywxWelcomeMsgDTO();
         // 欢迎语内容
         qywxWelcomeMsgDTO.setText(content);