diff --git a/GameServer/Controllers/RoleController.cs b/GameServer/Controllers/RoleController.cs
index 3c28fe4..81fcf6c 100644
--- a/GameServer/Controllers/RoleController.cs
+++ b/GameServer/Controllers/RoleController.cs
@@ -57,33 +57,30 @@ internal class RoleController : Controller
     [NetEvent(MessageId.ResonantChainUnlockRequest)]
     public RpcResult OnResonantChainUnlockRequest(ResonantChainUnlockRequest request, ModelManager modelManager, ConfigManager configManager)
     {
-        roleInfo _roleInfo = modelManager.Roles.Roles.Find(r => r.RoleId == request.RoleId)!;
-
-        if (_roleInfo != null)
+        roleInfo? role = modelManager.Roles.Roles.Find(r => r.RoleId == request.RoleId)!;
+    
+        if (role != null)
         {
             RoleInfoConfig roleConfig = configManager.GetConfig<RoleInfoConfig>(request.RoleId)!;
-
-            if (roleConfig != null)
+    
+            int resonantChainGroupId = roleConfig.ResonantChainGroupId;
+    
+            // Todo: add buff by _resonantChainGroupId
+    
+            int curr = role.ResonantChainGroupIndex;
+            int next = Math.Min(curr + 1, 6);
+            role.ResonantChainGroupIndex = next;
+    
+            return Response(MessageId.ResonantChainUnlockResponse, new ResonantChainUnlockResponse
             {
-                int _resonantChainGroupId = roleConfig.ResonantChainGroupId;
-
-                // Todo: add buff by _resonantChainGroupId
-
-                int _curr = _roleInfo.ResonantChainGroupIndex;
-                int _next = Math.Min(_curr + 1, 6);
-                _roleInfo.ResonantChainGroupIndex = _next;
-
-                return Response(MessageId.ResonantChainUnlockResponse, new ResonantChainUnlockResponse
-                {
-                    RoleId = request.RoleId,
-                    ResonantChainGroupIndex = _next
-                });
-            }
+                RoleId = request.RoleId,
+                ResonantChainGroupIndex = next
+            });
         }
-
+    
         return Response(MessageId.ResonantChainUnlockResponse, new ResonantChainUnlockResponse
         {
-            RoleId = request.RoleId,
+            ErrCode = (int)ErrorCode.ErrRoleResonNotActive
         });
     }