improve the mock service

[LinuxSuRen]

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It was updated on 2024/5/27

What type of PR is this?

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

[github-actions]

There are 1 test cases, failed count 0:

Name	Average	Max	Min	Count	Error
	12.046318ms	12.725647ms	11.228323ms	3	0

Reported by api-testing.

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.31% (target: -1.00%)	❌ 5.73% (target: 80.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (44e2796)	20589	8091	39.30%
Head commit (7e9deb7)	21237 (+648)	8280 (+189)	38.99% (-0.31%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#781)	279	16	5.73%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[sonarqubecloud]

Quality Gate passed

Issues
3 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud