fix: 增加游客

server/src/main/java/com/pica/cloud/online/exam/analysis/server/controller/AnalysisController.java

@@ -167,8 +167,8 @@ public class AnalysisController {
 
         PICAUser user = CommonUtils.getUserByToken(redisClient, token);
 
-        if (user == null) {
-            return ReturnUtil.getPicaResponse(PicaResultCode.SYSTEM_INVALID_TOKEN);
+        if (user == null || user.getId().intValue() == 0) {
+            return ReturnUtil.getPicaResponse(PicaResultCode.LOGIN_FAILE);
         }
 
         Doctor doctor = doctorService.getDoctorById(user.getId());