diff --git a/sport/src/main/java/com/srr/repository/TeamPlayerRepository.java b/sport/src/main/java/com/srr/repository/TeamPlayerRepository.java
index b833aeed..f6414f88 100644
--- a/sport/src/main/java/com/srr/repository/TeamPlayerRepository.java
+++ b/sport/src/main/java/com/srr/repository/TeamPlayerRepository.java
@@ -26,4 +26,6 @@ import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
 **/
 public interface TeamPlayerRepository extends JpaRepository<TeamPlayer, Long>, JpaSpecificationExecutor<TeamPlayer> {
     boolean existsByTeamIdAndPlayerId(Long teamId, Long playerId);
+    
+    TeamPlayer findByTeamIdAndPlayerId(Long teamId, Long playerId);
 }
diff --git a/sport/src/main/java/com/srr/rest/TeamPlayerController.java b/sport/src/main/java/com/srr/rest/TeamPlayerController.java
new file mode 100644
index 00000000..a92563e9
--- /dev/null
+++ b/sport/src/main/java/com/srr/rest/TeamPlayerController.java
@@ -0,0 +1,69 @@
+/*
+ *  Copyright 2019-2025 Zheng Jie
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package com.srr.rest;
+
+import com.srr.dto.TeamPlayerDto;
+import com.srr.service.TeamPlayerService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.RequiredArgsConstructor;
+import me.zhengjie.annotation.Log;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * @author Chanheng
+ * @website https://eladmin.vip
+ * @date 2025-05-26
+ **/
+@RestController
+@RequiredArgsConstructor
+@Api(tags = "Team Player Management")
+@RequestMapping("/api/team-player")
+public class TeamPlayerController {
+
+    private final TeamPlayerService teamPlayerService;
+
+    @GetMapping("/{id}")
+    @ApiOperation("Get team player details")
+    @PreAuthorize("@el.check('event:list')")
+    public ResponseEntity<TeamPlayerDto> getTeamPlayer(@PathVariable Long id) {
+        return new ResponseEntity<>(teamPlayerService.findById(id), HttpStatus.OK);
+    }
+
+    @PutMapping("/{id}/check-in")
+    @Log("Check in player")
+    @ApiOperation("Check in player for an event")
+    @PreAuthorize("@el.check('event:edit')")
+    public ResponseEntity<TeamPlayerDto> checkIn(@PathVariable Long id) {
+        return new ResponseEntity<>(teamPlayerService.checkIn(id), HttpStatus.OK);
+    }
+
+    @GetMapping("/find")
+    @ApiOperation("Find team player by team and player IDs")
+    @PreAuthorize("@el.check('event:list')")
+    public ResponseEntity<TeamPlayerDto> findByTeamAndPlayer(
+            @RequestParam Long teamId, 
+            @RequestParam Long playerId) {
+        TeamPlayerDto teamPlayer = teamPlayerService.findByTeamIdAndPlayerId(teamId, playerId);
+        if (teamPlayer == null) {
+            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+        }
+        return new ResponseEntity<>(teamPlayer, HttpStatus.OK);
+    }
+}
diff --git a/sport/src/main/java/com/srr/service/TeamPlayerService.java b/sport/src/main/java/com/srr/service/TeamPlayerService.java
new file mode 100644
index 00000000..303f1872
--- /dev/null
+++ b/sport/src/main/java/com/srr/service/TeamPlayerService.java
@@ -0,0 +1,52 @@
+/*
+ *  Copyright 2019-2025 Zheng Jie
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package com.srr.service;
+
+import com.srr.domain.TeamPlayer;
+import com.srr.dto.TeamPlayerDto;
+import org.springframework.data.domain.Pageable;
+import me.zhengjie.utils.PageResult;
+
+/**
+ * @author Chanheng
+ * @website https://eladmin.vip
+ * @description Service interface for TeamPlayer
+ * @date 2025-05-26
+ **/
+public interface TeamPlayerService {
+
+    /**
+     * Get a specific TeamPlayer by ID
+     * @param id TeamPlayer ID
+     * @return TeamPlayerDto
+     */
+    TeamPlayerDto findById(Long id);
+
+    /**
+     * Check in a player for an event
+     * @param id TeamPlayer ID
+     * @return The updated TeamPlayerDto
+     */
+    TeamPlayerDto checkIn(Long id);
+    
+    /**
+     * Find TeamPlayer by teamId and playerId
+     * @param teamId the team ID
+     * @param playerId the player ID
+     * @return TeamPlayerDto if found, null otherwise
+     */
+    TeamPlayerDto findByTeamIdAndPlayerId(Long teamId, Long playerId);
+}
diff --git a/sport/src/main/java/com/srr/service/impl/TeamPlayerServiceImpl.java b/sport/src/main/java/com/srr/service/impl/TeamPlayerServiceImpl.java
new file mode 100644
index 00000000..a67c0d78
--- /dev/null
+++ b/sport/src/main/java/com/srr/service/impl/TeamPlayerServiceImpl.java
@@ -0,0 +1,71 @@
+/*
+ *  Copyright 2019-2025 Zheng Jie
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package com.srr.service.impl;
+
+import com.srr.domain.TeamPlayer;
+import com.srr.dto.TeamPlayerDto;
+import com.srr.dto.mapstruct.TeamPlayerMapper;
+import com.srr.repository.TeamPlayerRepository;
+import com.srr.service.TeamPlayerService;
+import lombok.RequiredArgsConstructor;
+import me.zhengjie.exception.BadRequestException;
+import me.zhengjie.exception.EntityNotFoundException;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+/**
+ * @author Chanheng
+ * @website https://eladmin.vip
+ * @date 2025-05-26
+ **/
+@Service
+@RequiredArgsConstructor
+public class TeamPlayerServiceImpl implements TeamPlayerService {
+
+    private final TeamPlayerRepository teamPlayerRepository;
+    private final TeamPlayerMapper teamPlayerMapper;
+
+    @Override
+    @Transactional(readOnly = true)
+    public TeamPlayerDto findById(Long id) {
+        TeamPlayer teamPlayer = teamPlayerRepository.findById(id)
+                .orElseThrow(() -> new EntityNotFoundException(TeamPlayer.class, "id", id.toString()));
+        return teamPlayerMapper.toDto(teamPlayer);
+    }
+
+    @Override
+    @Transactional
+    public TeamPlayerDto checkIn(Long id) {
+        TeamPlayer teamPlayer = teamPlayerRepository.findById(id)
+                .orElseThrow(() -> new EntityNotFoundException(TeamPlayer.class, "id", id.toString()));
+        
+        if (teamPlayer.isCheckedIn()) {
+            throw new BadRequestException("Player is already checked in");
+        }
+        
+        teamPlayer.setCheckedIn(true);
+        teamPlayerRepository.save(teamPlayer);
+        
+        return teamPlayerMapper.toDto(teamPlayer);
+    }
+    
+    @Override
+    @Transactional(readOnly = true)
+    public TeamPlayerDto findByTeamIdAndPlayerId(Long teamId, Long playerId) {
+        TeamPlayer teamPlayer = teamPlayerRepository.findByTeamIdAndPlayerId(teamId, playerId);
+        return teamPlayer != null ? teamPlayerMapper.toDto(teamPlayer) : null;
+    }
+}