Will Xiaomi House check the number of copies of undergraduate diploma when it joins the company? Verify the authenticity of the diploma? Under normal circumstances, you won't check the diploma number when you join the company, because if you just, uh, join the company under normal circumstances, you won't check the diploma number because if you just graduated, you won't check the diploma number under normal circumstances, because if you just graduated, there is basically no big problem, so you don't need to check the diploma number.