“Completed with errors. See log at /var/log/cuda-installer.log for details.” and no ERROR found in log file

I have installed nvidia-driver-440 on ubuntu 16.04.7 correctly. nvidia-smi looks like below:
±----------------------------------------------------------------------------+
| NVIDIA-SMI 440.100 Driver Version: 440.100 CUDA Version: 10.2 |
|-------------------------------±---------------------±---------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce RTX 2060 Off | 00000000:01:00.0 On | N/A |
| N/A 40C P8 7W / N/A | 278MiB / 5926MiB | 40% Default |
±------------------------------±---------------------±---------------------+

±----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| 0 1064 G /usr/lib/xorg/Xorg 143MiB |
| 0 1976 G compiz 133MiB |
±----------------------------------------------------------------------------+
But…when try to install cuda10.1 or cuda11 via .run file. An error was always been encountered:
Completed with errors. See log at /var/log/cuda-installer.log for details.
So I check the log file and I didn’t find any ERROR in it. What should I do:
below is my computer system details and my ubuntu information:
1. (uname -a)Linux readitec-Lenovo-Legion-R7000P2020H 4.4.252-0404252-generic #202101170841 SMP Sun Jan 17 14:14:27 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
2. (lsb_release -a):No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.7 LTS
Release: 16.04
Codename: xenial
How should I check why the cuda install process crashed? Thanks!