diff --git a/config.py b/config.py
index 647c561..c3626b9 100644
--- a/config.py
+++ b/config.py
@@ -33,10 +33,12 @@ config = {
     'windows': {  # required  when supporting windows game
         'exe': 'Client-Win64-Shipping.exe',
         'calculate_pc_exe_path': calculate_pc_exe_path,
+        'hwnd_class': 'UnrealWindow',
         'interaction': 'PostMessage',
         'can_bit_blt': True,  # default false, opengl games does not support bit_blt
         'bit_blt_render_full': True,
-        'check_hdr_and_night_light': True
+        'check_hdr_and_night_light': True,
+        'require_bg': True
     },
     'supported_resolution': {
         'ratio': '16:9',
diff --git a/src/char/BaseChar.py b/src/char/BaseChar.py
index fbccb09..0336115 100644
--- a/src/char/BaseChar.py
+++ b/src/char/BaseChar.py
@@ -51,6 +51,7 @@ class BaseChar:
         self.logger = get_logger(self.name)
         self.full_ring_area = 0
         self.freeze_durations = []
+        self.last_perform = 0
         self._is_forte_full = False
         self.config = {"_full_ring_area": 0, "_ring_color_index": -1}
         if type(self) is not BaseChar:
@@ -71,6 +72,7 @@ class BaseChar:
 
     def perform(self):
         # self.wait_down()
+        self.last_perform = time.time()
         self.do_perform()
         self.logger.debug(f'set current char false {self.index}')
 
diff --git a/src/task/BaseCombatTask.py b/src/task/BaseCombatTask.py
index f30f351..ecc214d 100644
--- a/src/task/BaseCombatTask.py
+++ b/src/task/BaseCombatTask.py
@@ -107,7 +107,6 @@ class BaseCombatTask(BaseWWTask, FindFeature, OCR, CombatCheck):
                 current_con = current_char.get_current_con()
             if current_con == 1:
                 has_intro = True
-
         for i, char in enumerate(self.chars):
             if char == current_char:
                 priority = Priority.CURRENT_CHAR
@@ -121,8 +120,10 @@ class BaseCombatTask(BaseWWTask, FindFeature, OCR, CombatCheck):
                 max_priority = priority
                 switch_to = char
         if switch_to == current_char:
-            # self.check_combat()
             logger.warning(f"can't find next char to switch to, maybe switching too fast click and wait")
+            if time.time() - current_char.last_perform < 0.1:
+                current_char.continues_normal_attack(0.1)
+                logger.warning(f"can't find next char to switch to, performing too fast add a normal attack")
             return current_char.perform()
         switch_to.has_intro = has_intro
         logger.info(f'switch_next_char {current_char} -> {switch_to} has_intro {has_intro}')