fix: runtime init panic

[Peefy]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• N
• Y

fix: kcl-lang/cli#114

• fix: runtime init panic

[coveralls]

Pull Request Test Coverage Report for Build 10112128318

Details

• 1 of 2 (50.0%) changed or added relevant lines in 2 files are covered.
• 351 unchanged lines in 7 files lost coverage.
• Overall coverage decreased (-0.8%) to 31.734%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/kcl/service.go	0	1	0.0%

Files with Coverage Reduction	New Missed Lines	%
pkg/kcl/service.go	2	0.0%
pkg/runtime/proc.go	3	47.14%
pkg/kcl/hook.go	4	0.0%
pkg/kcl/type.go	33	0.0%
pkg/kcl/opt.go	60	26.87%
pkg/spec/gpyrpc/gpyrpc.pb.protorpc.go	104	1.22%
pkg/kcl/api.go	145	0.0%

Totals
Change from base Build 10077008292:	-0.8%
Covered Lines:	5488
Relevant Lines:	17294

---

💛 - Coveralls