[LLM:Bugfix] Do not use static global variables.

[v0jiuqi]

GitOrigin-RevId: e9398e831cddfe7fde41119dc731e871ebd2f2aa

Description

Module

Type

• Feature
• Bugfix
• Perf
• Refact
• Style
• Doc
• Test
• Chore

Checklist

• Commit message follows [Module:Type] Description format
• Code compiles without errors
• Tested on relevant platform(s)
• No unrelated format or style changes included

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