调整highlight渲染顺序

[itzhoujun]

No description provided.

[codecov]

Codecov Report

Merging #180 (5a9b4a5) into master (d87c5ee) will decrease coverage by 0.11%.
Report is 2 commits behind head on master.
The diff coverage is 73.09%.

@@            Coverage Diff             @@
##           master     #180      +/-   ##
==========================================
- Coverage   64.07%   63.96%   -0.11%     
==========================================
  Files          55       55              
  Lines        3457     3477      +20     
==========================================
+ Hits         2215     2224       +9     
- Misses       1242     1253      +11     

Files Changed	Coverage Δ
lib/src/terminal_view.dart	77.36% <0.00%> (ø)
lib/src/ui/render.dart	64.28% <69.56%> (-4.41%)	⬇️
lib/src/ui/painter.dart	75.60% <75.60%> (ø)

... and 3 files with indirect coverage changes