### What this PR does / why we need it? The expert mapping table and weights of the dynamic EPLB were not updated, causing the accuracy to be correct but not effective. This bug has now been fixed. - vLLM version: v0.11.2 - vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.2 --------- Signed-off-by: shenchuxiaofugui <1311027364@qq.com>