stm32L011D3P6 program download problem

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stm32L011D3P6 program download problem [Copy link]

This is my first time using this series of microcontrollers. When I was drawing the schematic, I thought it was the same as the F series, and I didn't consider the downloading problem. After it came out, I couldn't download it . It said on the Internet that reset needs to be grounded when downloading. After trying it, it prompted "could not stop Cortex-M device". This is because reset is always set to the bottom, so it's a bit contradictory. What steps are required? (I don't understand the English )