Because my mouse is broken, so I changed my right click button to number pad(I am using 9 on number pad). If your number pad lock arenot activating(which mean it's can type number). When I sneaking and I right click(anywhere), I will stop sneaking and than sneaking again(like sitting-stand up-sitting).
Environment
Laptop: ASUS-A540U
CPU: Intel(R) Core(TM) i5-8250U CPU @ 1.60GHz 1.80GHz
GPU: 1.AMD Radeon™ R5 M420 2GB(The GPU that I use for minecraft) 2.Intel(R) HUD Graphics 620
RAM:4GB(3.88GB can use)
Windows 10 family chinese version 1909 version x64 bit
Minecraft 1.16.1 Java
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