fix java doc warning

[stone1100]

What problem does this PR solve?

Issue Number: #xxx

Problem Summary:

Check List

Tests

• Unit test
• Integration test
• No code

[codecov]

Codecov Report

Merging #15 (a4b5f43) into main (dc4e1ff) will increase coverage by 2.14%.
The diff coverage is 98.11%.

@@             Coverage Diff              @@
##               main      #15      +/-   ##
============================================
+ Coverage     97.39%   99.54%   +2.14%     
- Complexity      139      150      +11     
============================================
  Files            22       23       +1     
  Lines           576      654      +78     
  Branches         69       78       +9     
============================================
+ Hits            561      651      +90     
+ Misses           11        0      -11     
+ Partials          4        3       -1     

Flag	Coverage Δ
unittests	99.54% <98.11%> (+2.14%)	⬆️

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

Impacted Files	Coverage Δ
...ain/java/io/lindb/client/internal/WriteClient.java	96.87% <94.73%> (+1.63%)	⬆️
src/main/java/io/lindb/client/api/WriteImpl.java	98.85% <97.72%> (+8.50%)	⬆️
src/main/java/io/lindb/client/ClientImpl.java	100.00% <100.00%> (ø)
...in/java/io/lindb/client/api/BlockingWriteImpl.java	100.00% <100.00%> (ø)
src/main/java/io/lindb/client/api/WriteEntry.java	100.00% <100.00%> (ø)
...rc/main/java/io/lindb/client/api/WriteFactory.java	100.00% <100.00%> (ø)
...main/java/io/lindb/client/internal/HttpClient.java	100.00% <100.00%> (ø)

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