修改GetCharacterByAccountId -> GetCurrentCharacterByAccountId;

Build_God_Api/Build_God_Api/Controllers/BattleController.cs

@@ -23,18 +23,12 @@ namespace Build_God_Api.Controllers
         [HttpPost("challenge")]
         public async Task<ActionResult<ChallengeMonsterResponse>> ChallengeMonster([FromBody] ChallengeMonsterRequest request)
         {
-            var characters = await _characterService.GetAllCharacters();
-            var currentCharacter = characters
-                .Where(c => c.AccountId == _currentUserService.UserId)
-                .OrderByDescending(c => c.LastLogin)
-                .FirstOrDefault();
-            
-            if (currentCharacter == null)
+            var character = await _characterService.GetCurrentCharacterByAccountId(_currentUserService.UserId);
+            if (character == null)
             {
-                return BadRequest(new { message = "请先创建角色" });
+                return NotFound();
             }
-
-            return await _battleService.ChallengeMonster(currentCharacter.Id, request.MonsterId);
+            return await _battleService.ChallengeMonster(character.Id, request.MonsterId);
         }
     }
 }

Build_God_Api/Build_God_Api/Controllers/CharacterController.cs

@@ -28,7 +28,7 @@ namespace Build_God_Api.Controllers
         [Authorize]
         public async Task<ActionResult<Character?>> GetCharacterByAccountId(int accountId)
         {
-            var result = await characterService.GetCharacterByAccountId(accountId);
+            var result = await characterService.GetCurrentCharacterByAccountId(accountId);
             return result;
         }
 

Build_God_Api/Build_God_Api/Controllers/DailyMissionController.cs

@@ -23,7 +23,7 @@ namespace Build_God_Api.Controllers
         [Authorize]
         public async Task<ActionResult<List<DailyMissionDto>>> GetList()
         {
-            var character = await _characterService.GetCharacterByAccountId(_currentUserService.UserId);
+            var character = await _characterService.GetCurrentCharacterByAccountId(_currentUserService.UserId);
             if (character == null)
                 return BadRequest("角色不存在");
 
@@ -40,7 +40,7 @@ namespace Build_God_Api.Controllers
         {
             try
             {
-                var character = await _characterService.GetCharacterByAccountId(_currentUserService.UserId);
+                var character = await _characterService.GetCurrentCharacterByAccountId(_currentUserService.UserId);
                 if (character == null)
                     return BadRequest("角色不存在");
 
@@ -62,7 +62,7 @@ namespace Build_God_Api.Controllers
         {
             try
             {
-                var character = await _characterService.GetCharacterByAccountId(_currentUserService.UserId);
+                var character = await _characterService.GetCurrentCharacterByAccountId(_currentUserService.UserId);
                 if (character == null)
                     return BadRequest("角色不存在");
 

Build_God_Api/Build_God_Api/Controllers/MissionController.cs

@@ -103,7 +103,7 @@ namespace Build_God_Api.Controllers
         {
             try
             {
-                var character = await characterService.GetCharacterByAccountId(currentUserService.UserId);
+                var character = await characterService.GetCurrentCharacterByAccountId(currentUserService.UserId);
                 if (character == null)
                     return BadRequest("角色不存在");
 

Build_God_Api/Build_God_Api/Controllers/ShopController.cs

@@ -61,7 +61,7 @@ namespace Build_God_Api.Controllers
         [Authorize]
         public async Task<ActionResult<ShopDto>> GetCharacterShop()
         {
-            var character = await characterService.GetCharacterByAccountId(currentUserService.UserId);
+            var character = await characterService.GetCurrentCharacterByAccountId(currentUserService.UserId);
             if (character == null)
             {
                 return NotFound();
@@ -74,7 +74,7 @@ namespace Build_God_Api.Controllers
         [Authorize]
         public async Task<ActionResult<bool>> BuyItem([FromBody] ShopBuyDto dto)
         {
-            var character = await characterService.GetCharacterByAccountId(currentUserService.UserId);
+            var character = await characterService.GetCurrentCharacterByAccountId(currentUserService.UserId);
             if (character == null)
             {
                 return NotFound();

Build_God_Api/Build_God_Api/Hubs/ChatHub.cs

@@ -49,7 +49,7 @@ namespace Build_God_Api.Hubs
                 return null;
 
             var accountId = _currentUserService.UserId;
-            var character = await _characterService.GetCharacterByAccountId(accountId);
+            var character = await _characterService.GetCurrentCharacterByAccountId(accountId);
 
             if (character == null)
                 return null;

Build_God_Api/Build_God_Api/Services/CharacterService.cs

@@ -9,7 +9,7 @@ namespace Build_God_Api.Services
 {
     public interface ICharacterService
     {
-        public Task<Character?> GetCharacterByAccountId(int accountId);
+        public Task<Character?> GetCurrentCharacterByAccountId(int accountId);
         public Task<List<Character>> GetCharactersByAccountId(int accountId);
         public Task<List<CharacterDto>> GetCharacterListWithDetails(int accountId);
         public Task<List<Character>> GetAllCharacters();
@@ -211,7 +211,7 @@ namespace Build_God_Api.Services
             return await db.Queryable<Character>().AnyAsync(x => x.Name == name);
         }
 
-        public async Task<Character?> GetCharacterByAccountId(int accountId)
+        public async Task<Character?> GetCurrentCharacterByAccountId(int accountId)
         {
             return await db.Queryable<Character>()
                 .Where(x => x.AccountId == accountId && x.isLocked == false)