diff --git a/cap_read.py b/cap_read.py
index 3b93560..01946a9 100644
--- a/cap_read.py
+++ b/cap_read.py
@@ -12,7 +12,7 @@ DEF_CDC_SYNC_MS = 1000  #电容同步间隔
 DEF_GET_CAP_MS  =   (30)  #读取电容间隔
 DEF_PRO_CYC = 100
 
-DEF_MAX_FINGER_NUM = 2 # 需要连接的手指数量，最大5个
+DEF_MAX_FINGER_NUM = 5 # 需要连接的手指数量，最大5个
 
 # 定义一个全局的队列，用于线程间通信
 capReadQueue = queue.Queue()
@@ -169,6 +169,7 @@ class ClassCapRead:
             for fingerIndex in range(0, len(self.fingers)):
                 if self.fingers[fingerIndex].connect is True:
                     self.fingers[fingerIndex].snsCmd.setSensorSync(0)
+                    break
 
         if self.connectStatus == EnumCh341ConnectStatus.CH341_CONNECT_CHECK:
             capReadTime = time.time()