报错

diff --git a/2.sdk/Helios_SDK/services/microPython/ports/quectel/core/ui.py b/2.sdk/Helios_SDK/services/microPython/ports/quectel/core/ui.py
index c606501..4c6a2d7 100644 (file)
--- a/2.sdk/Helios_SDK/services/microPython/ports/quectel/core/ui.py
+++ b/2.sdk/Helios_SDK/services/microPython/ports/quectel/core/ui.py
@@ -3355,6 +3355,8 @@ class UI(object):
         else:
             self.level = 6 #默认是6级别
         
+        if self.level == None:
+            self.level = 6
         self.PWM_backlight = PWM(PWM.PWM1, PWM.ABOVE_MS, self.level, 10)
         self.PWM_backlight.open()
         self.sleep_lock = 0