fix: rename to createJsonpBody

[dead-horse]

Checklist

• npm test passes
• tests and/or benchmarks are included
• documentation is changed or added
• commit message follows commit guidelines

Affected core subsystem(s)

Description of change

[codecov-io]

Codecov Report

Merging #9 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master     #9   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           4      4           
  Lines          59     58    -1     
=====================================
- Hits           59     58    -1

Impacted Files	Coverage Δ
lib/private_key.js	100% <ø> (ø)	⬆️
app/extend/context.js	100% <100%> (ø)	⬆️
app/extend/application.js	100% <100%> (ø)	⬆️

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[dead-horse]

先合并了

[dead-horse]

1.2.2