fix(controller): fix desc not null

[anda-ren]

Description

Modules

• UI
• Controller
• Agent
• Client
• Python-SDK
• Others

Checklist

• run code format and lint check
• add unit test
• add necessary doc

[codecov]

Codecov Report

Merging #2968 (4415609) into main (0208100) will decrease coverage by 8.93%.
Report is 1 commits behind head on main.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main    #2968      +/-   ##
============================================
- Coverage     83.05%   74.13%   -8.93%     
- Complexity     3105     3106       +1     
============================================
  Files           557      431     -126     
  Lines         30340    15104   -15236     
  Branches       1814     1753      -61     
============================================
- Hits          25199    11197   -14002     
+ Misses         4337     3106    -1231     
+ Partials        804      801       -3     

Flag	Coverage Δ
console	?
controller	74.13% <ø> (-0.02%)	⬇️
standalone	?
unittests	?

Flags with carried forward coverage won't be shown. Click here to find out more.

see 128 files with indirect coverage changes

[waynelwz]

LGTM