修复两人队伍会异常

src/task/BaseCombatTask.py

@@ -310,7 +310,7 @@ def load_chars(self):
                 logger.info(f'update char3 to {char.name}')
         else:
             if len(self.chars) == 3:
-                self.chars.pop(0)
+                self.chars = self.chars[:2]
             logger.info(f'team size changed to 2')
 
         for char in self.chars: