diff --git a/src/engine/utils.py b/src/engine/utils.py
index 442a420..0d39a7e 100644
--- a/src/engine/utils.py
+++ b/src/engine/utils.py
@@ -39,21 +39,21 @@ def is_valid_group(tiles):
     return False
 
 
-def try_win(remaining_tiles, groups_formed=0):
+def try_win(remaining_tiles, groups_formed=0, has_pair=False):
     """
     尝试将剩余牌分组为合法的刻子或顺子，并检查是否有一对将牌。
     """
-    # 如果没有剩余牌，检查是否形成了四坎牌
+    # 如果没有剩余牌，检查是否形成了四坎牌且有一对将牌
     if not remaining_tiles:
-        return groups_formed == 4
+        return groups_formed == 4 and has_pair
 
     # 检查是否可以找到一对将牌
-    for i in range(len(remaining_tiles) - 1):
-        if remaining_tiles[i] == remaining_tiles[i + 1]:  # 找到对子
-            temp_tiles = remaining_tiles[:i] + remaining_tiles[i + 2:]  # 移除对子
-            # 尝试分组剩余牌
-            if try_win(temp_tiles, groups_formed):
-                return True
+    if not has_pair:  # 如果还没有找到将牌
+        for i in range(len(remaining_tiles) - 1):
+            if remaining_tiles[i] == remaining_tiles[i + 1]:  # 找到对子
+                temp_tiles = remaining_tiles[:i] + remaining_tiles[i + 2:]  # 移除对子
+                if try_win(temp_tiles, groups_formed, has_pair=True):
+                    return True
 
     # 检查是否可以形成合法组（刻子或顺子）
     for i in range(len(remaining_tiles)):
@@ -63,7 +63,7 @@ def try_win(remaining_tiles, groups_formed=0):
                 if is_valid_group(group):
                     temp_tiles = remaining_tiles[:i] + remaining_tiles[i + 1:j] + \
                                  remaining_tiles[j + 1:k] + remaining_tiles[k + 1:]
-                    if try_win(temp_tiles, groups_formed + 1):
+                    if try_win(temp_tiles, groups_formed + 1, has_pair):
                         return True
 
     return False