一些小优化

[liangliangyy]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 85.84%. Comparing base (44bed3e) to head (ca320b0).
⚠️ Report is 6 commits behind head on master.

Files with missing lines	Patch %	Lines
djangoblog/urls.py	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #784      +/-   ##
==========================================
- Coverage   85.84%   85.84%   -0.01%     
==========================================
  Files          72       72              
  Lines        2996     3003       +7     
==========================================
+ Hits         2572     2578       +6     
- Misses        424      425       +1     

Flag	Coverage Δ
unittests	85.84% <85.71%> (-0.01%)	⬇️

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

Files with missing lines	Coverage Δ
plugins/reading_time/plugin.py	96.29% <100.00%> (+0.46%)	⬆️
djangoblog/urls.py	91.66% <75.00%> (-3.34%)	⬇️

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