docs: 修复小计总计错误文档

[lijinke666]

👀 PR includes

🔧 Chore

• Test case
• Docs / demos update
• CI / workflow
• Release version
• Other ()

📝 Description

🖼️ Screenshot

Before	After
❌	✅

🔗 Related issue link

close #2655

🔍 Self-Check before the merge

• Add or update relevant docs.
• Add or update relevant demos.
• Add or update test case.
• Add or update relevant TypeScript definitions.

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
antvis-s2	❌ Failed (Inspect)			Apr 15, 2024 2:08am

[github-actions]

Size Change: 0 B

Total Size: 319 kB

ℹ️ View Unchanged

Filename	Size
./packages/s2-core/dist/index.min.js	223 kB
./packages/s2-core/dist/style.min.css	402 B
./packages/s2-react/dist/index.min.js	69.3 kB
./packages/s2-react/dist/style.min.css	4 kB
./packages/s2-vue/dist/index.min.js	20.3 kB
./packages/s2-vue/dist/style.min.css	1.97 kB

_{compressed-size-action}

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.04%. Comparing base (ecdc9c8) to head (dec9426).
Report is 307 commits behind head on next.

Additional details and impacted files

@@            Coverage Diff             @@
##             next    #2656      +/-   ##
==========================================
+ Coverage   75.77%   79.04%   +3.26%     
==========================================
  Files         257      274      +17     
  Lines       11994    12419     +425     
  Branches     2464     2543      +79     
==========================================
+ Hits         9088     9816     +728     
+ Misses       1398     1062     -336     
- Partials     1508     1541      +33     

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