diff --git a/helpAbout.py b/helpAbout.py
index 8a73383..e89f404 100644
--- a/helpAbout.py
+++ b/helpAbout.py
@@ -5,7 +5,7 @@
 
 versionMajor = 1
 versionMinor = 1
-versionDev   = 0
+versionDev   = 1
 date = "2019.5.10"
 
 def strAbout():
diff --git a/kflash_gui.py b/kflash_gui.py
index 2497982..de8bd5c 100644
--- a/kflash_gui.py
+++ b/kflash_gui.py
@@ -140,10 +140,13 @@ def initWindow(self):
         self.boardCombobox = ComboBox()
         self.boardCombobox.addItem(parameters.SipeedMaixDock)
         self.boardCombobox.addItem(parameters.SipeedMaixBit)
+        self.boardCombobox.addItem(parameters.SipeedMaixBitMic)
         self.boardCombobox.addItem(parameters.SipeedMaixduino)
         self.boardCombobox.addItem(parameters.SipeedMaixGo)
         self.boardCombobox.addItem(parameters.SipeedMaixGoD)
-        self.boardCombobox.addItem(parameters.KendriteKd233)
+        self.boardCombobox.addItem(parameters.KendryteKd233)
+        self.boardCombobox.addItem(parameters.kendryteTrainer)
+        self.boardCombobox.addItem(parameters.Auto)
         self.burnPositionLabel = QLabel(tr("BurnTo"))
         self.burnPositionCombobox = ComboBox()
         self.burnPositionCombobox.addItem(tr("Flash"))
@@ -439,8 +442,14 @@ def download(self):
             board = "maixduino"
         elif boardText == parameters.SipeedMaixBit:
             board = "bit"
-        elif boardText == parameters.KendriteKd233:
+        elif boardText == parameters.SipeedMaixBitMic:
+            board = "bit_mic"
+        elif boardText == parameters.KendryteKd233:
             board = "kd233"
+        elif boardText == parameters.kendryteTrainer:
+            board = "trainer"
+        elif boardText == parameters.Auto:
+            board = None
 
         sram = False
         if self.burnPositionCombobox.currentText()==tr("SRAM") or \
@@ -480,7 +489,10 @@ def flashBurnProcess(self, dev, baud, board, sram, filename, callback, color):
         success = True
         errMsg = ""
         try:
-            self.kflash.process(terminal=False, dev=dev, baudrate=baud, board=board, sram = sram, file=filename, callback=callback, noansi=not color)
+            if board:
+                self.kflash.process(terminal=False, dev=dev, baudrate=baud, board=board, sram = sram, file=filename, callback=callback, noansi=not color)
+            else:
+                self.kflash.process(terminal=False, dev=dev, baudrate=baud, sram = sram, file=filename, callback=callback, noansi=not color)
         except Exception as e:
             errMsg = str(e)
             if str(e) != "Burn SRAM OK":
diff --git a/kflash_py b/kflash_py
index 60b9cb6..4352cb7 160000
--- a/kflash_py
+++ b/kflash_py
@@ -1 +1 @@
-Subproject commit 60b9cb6fbe149ae182e2e89680df43d093fae908
+Subproject commit 4352cb756e676bf1729e5b14604b908692bcebae
diff --git a/parameters.py b/parameters.py
index 732c315..1069707 100644
--- a/parameters.py
+++ b/parameters.py
@@ -10,12 +10,15 @@
 translationPath = "assets/translation"
 configFilePath  = "kflash_gui.conf"
 
-SipeedMaixDock = "Sipeed Maix Dock"
-SipeedMaixBit  = "Sipeed Maix Bit"
-SipeedMaixGo   = "Sipeed Maix Go"
-SipeedMaixGoD  = "Sipeed Maix Go( Old CMSIS-DAP )"
-SipeedMaixduino= "Sipeed Maixduino"
-KendriteKd233  = "Kendryte KD233"
+SipeedMaixDock    = "Sipeed Maix Dock"
+SipeedMaixBit     = "Sipeed Maix Bit"
+SipeedMaixBitMic  = "Sipeed Maix Bit ( with Mic )"
+SipeedMaixGo      = "Sipeed Maix Go ( open-ec & new CMSIS-DAP )"
+SipeedMaixGoD     = "Sipeed Maix Go ( Old CMSIS-DAP )"
+SipeedMaixduino   = "Sipeed Maixduino"
+KendryteKd233     = "Kendryte KD233"
+kendryteTrainer   = "kendryte Trainer"
+Auto   = "Auto"
 
 # get data path
 pathDirList = sys.argv[0].replace("\\", "/").split("/")