diff --git a/src/main/java/com/ai/da/controller/GlobalAwardController.java b/src/main/java/com/ai/da/controller/GlobalAwardController.java
index 2158fcf7..10879652 100644
--- a/src/main/java/com/ai/da/controller/GlobalAwardController.java
+++ b/src/main/java/com/ai/da/controller/GlobalAwardController.java
@@ -145,12 +145,12 @@ public class GlobalAwardController {
         return Response.success(globalAwardService.saveContestant(request));
     }
 
-//    @GetMapping("/contestants/by-email")
-//    @ApiOperation(value = "根据邮箱查询参赛者", notes = "根据邮箱地址获取参赛者信息")
-//    public Response<ContestantDTO> getContestantByEmail(@ApiParam(value = "参赛者邮箱地址", required = true) @RequestParam("email") String email) {
-//        ContestantDTO dto = globalAwardService.getContestantByEmail(email);
-//        return Response.success(dto);
-//    }
+    @GetMapping("/contestants/{id}")
+    @ApiOperation(value = "根据id查询参赛者", notes = "根据id获取参赛者信息")
+    public Response<ContestantDTO> getContestantByID(@ApiParam(value = "参赛者id", required = true) @PathVariable("id") String id) {
+        ContestantDTO dto = globalAwardService.getContestantByID(id);
+        return Response.success(dto);
+    }
 
     @GetMapping("/checkEmail")
     public Response<String> checkEmail(@RequestParam("email") String email) {
diff --git a/src/main/java/com/ai/da/service/GlobalAwardService.java b/src/main/java/com/ai/da/service/GlobalAwardService.java
index 693cfcab..583cf321 100644
--- a/src/main/java/com/ai/da/service/GlobalAwardService.java
+++ b/src/main/java/com/ai/da/service/GlobalAwardService.java
@@ -13,7 +13,7 @@ public interface GlobalAwardService {
 
     Map<String, Object> saveContestant(ContestantDTO request);
 
-    com.ai.da.model.dto.ContestantDTO getContestantByEmail(String email);
+    com.ai.da.model.dto.ContestantDTO getContestantByID(String email);
 
     void checkEmail(String email);
 
diff --git a/src/main/java/com/ai/da/service/impl/GlobalAwardServiceImpl.java b/src/main/java/com/ai/da/service/impl/GlobalAwardServiceImpl.java
index 9ce1f404..3b744845 100644
--- a/src/main/java/com/ai/da/service/impl/GlobalAwardServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/GlobalAwardServiceImpl.java
@@ -161,6 +161,7 @@ public class GlobalAwardServiceImpl implements GlobalAwardService {
                     .build();
             contestantMapper.insert(toInsert);
             resp.put("success", true);
+            sendSiteMsg(toInsert.getId(), toInsert.getEmail());
             return resp;
         } else {
             // update existing contestant
@@ -184,18 +185,16 @@ public class GlobalAwardServiceImpl implements GlobalAwardService {
     }
 
     @Override
-    public ContestantDTO getContestantByEmail(String email) {
-        if (email == null) {
-            throw new BusinessException("Email is required.");
+    public ContestantDTO getContestantByID(String id) {
+        if (id == null) {
+            throw new BusinessException("id is required.");
         }
-        QueryWrapper<Contestant> qw = new QueryWrapper<>();
-        qw.eq("email", email);
-        Contestant existing = contestantMapper.selectOne(qw);
+        Contestant existing = contestantMapper.selectById(id);
         if (existing == null) {
             return null;
         }
         ContestantDTO dto = new ContestantDTO();
-        dto.setEmail(existing.getEmail());
+//        dto.setEmail(existing.getEmail());
         dto.setFirstName(existing.getFirstName());
         dto.setLastName(existing.getLastName());
         dto.setGender(existing.getGender());
@@ -251,7 +250,7 @@ public class GlobalAwardServiceImpl implements GlobalAwardService {
             String secureToken = UUID.randomUUID().toString().replace("-", "");
             redisUtil.addToString(tokenCacheKey + email, secureToken, 3 * 24 * 60 * 60L);
 
-            return new CheckOTPVO(secureToken, getContestantByEmail(email));
+            return new CheckOTPVO(secureToken, getContestantByID(email));
         } else {
             throw new BusinessException("Verification code is incorrect. Please try again.");
         }
@@ -275,7 +274,16 @@ public class GlobalAwardServiceImpl implements GlobalAwardService {
     }
 
     // 发送站内信
-    public void sendSiteMsg(String applicationId, Long userId) {
+    public void sendSiteMsg(String applicationId, String email) {
+        Long userId;
+        QueryWrapper<Account> queryWrapper = new QueryWrapper<>();
+        queryWrapper.lambda().eq(Account::getUserEmail, email);
+        List<Account> accounts = accountMapper.selectList(queryWrapper);
+        if (accounts.isEmpty()) {
+            throw new BusinessException("Please register and subscribe to AiDA, then resubmit your application.");
+        }else {
+             userId = accounts.get(0).getId();
+        }
         PublishSysNotificationDTO sysNotificationDTO = new PublishSysNotificationDTO();
         Notification notification = new Notification();
         notification.setType("system");
diff --git a/src/main/resources/application-dev.properties b/src/main/resources/application-dev.properties
index 543387a9..4c8a41c7 100644
--- a/src/main/resources/application-dev.properties
+++ b/src/main/resources/application-dev.properties
@@ -181,4 +181,4 @@ file.upload.max.size.video=104857600
 # 上传任务过期时间（小时）
 file.upload.task.expiry.hours=24
 
-global.award.link=https://develop.aida.com.hk/
\ No newline at end of file
+global.award.link=https://develop.aida.com.hk/contestants/
\ No newline at end of file
diff --git a/src/main/resources/application-prod.properties b/src/main/resources/application-prod.properties
index 28080ddf..b0e5278a 100644
--- a/src/main/resources/application-prod.properties
+++ b/src/main/resources/application-prod.properties
@@ -179,4 +179,4 @@ file.upload.max.size.video=104857600
 # 上传任务过期时间（小时）
 file.upload.task.expiry.hours=24
 
-global.award.link=https://www.aida.com.hk/
\ No newline at end of file
+global.award.link=https://www.aida.com.hk/contestants/
\ No newline at end of file