fix: 改进

src/heurams/kernel/puzzles/mcq.py

@@ -64,7 +64,9 @@ class MCQPuzzle(BasePuzzle):
 
         # 确保至少有4个干扰项
         while len(self.jammer) < 4:
-            self.jammer.append(" ")
+            self.jammer.append(" " * (4 - len(self.jammer)))
+
+        unique_jammers = set(jammer + list(self.mapping.values()))
 
     def _reset_puzzle_state(self) -> None:
         """重置谜题状态为初始值
@@ -84,7 +86,7 @@ class MCQPuzzle(BasePuzzle):
         Raises:
             ValueError: 当mapping为空时不会抛出异常, 但会设置空谜题状态
         """
-        logger.debug("MCQPuzzle.refresh 开始，mapping size=%d", len(self.mapping))
+        logger.debug("MCQPuzzle.refresh 开始, mapping size=%d", len(self.mapping))
         if not self.mapping:
             self._set_empty_puzzle()
             return