thanks god you have found the reason finally
You are right, the name is Algor should be in English, ever in Chinese Version!!
these are many examples in the tutorial. the path is" help>tutorial".
you can study it step by step.
the latest version is V21. you best way to get the full version is to buy it.
you can download the trail version from internet,however.
the enclosed is the video to teach you how to solve your problem.The process is simple.
Because the fixed place is not proper,so the stress at the fixed place is so high.
You could modify the fixed place.
OK, sorry these are something wrongs with my PC, I can not keyed in Chinese.
Normally,the allowable stress of the steel is 200-300Mpa. that is all.