[BugFix][Model]Fix the garbled code in Ernie4.5-VL caused by fast_moe_cold_start (#35587)

Signed-off-by: wangyafeng <wangyafeng@baidu.com>

vllm/model_executor/models/config.py

@@ -329,6 +329,14 @@ class SnowflakeGteNewModelConfig(VerifyAndUpdateConfig):
         }
 
 
+class Ernie4_5_VLMoeForConditionalGenerationConfig(VerifyAndUpdateConfig):
+    @staticmethod
+    def verify_and_update_config(vllm_config: "VllmConfig") -> None:
+        # Ernie4.5-VL conditionally executes text/vision MoE branches, so
+        # fast_moe_cold_start can silently produce incorrect execution order.
+        vllm_config.compilation_config.fast_moe_cold_start = False
+
+
 class GptOssForCausalLMConfig(VerifyAndUpdateConfig):
     @staticmethod
     def verify_and_update_config(vllm_config: "VllmConfig") -> None:
@@ -661,6 +669,7 @@ MODELS_CONFIG_MAP: dict[str, type[VerifyAndUpdateConfig]] = {
     "Qwen2ForRewardModel": Qwen2ForRewardModelConfig,
     "Qwen3ForSequenceClassification": Qwen3ForSequenceClassificationConfig,
     "Qwen3VLForSequenceClassification": Qwen3VLForSequenceClassificationConfig,
+    "Ernie4_5_VLMoeForConditionalGeneration": Ernie4_5_VLMoeForConditionalGenerationConfig,  # noqa: E501
     "XLMRobertaModel": JinaRobertaModelConfig,
     "ColBERTJinaRobertaModel": JinaRobertaModelConfig,
     "JinaVLForRanking": JinaVLForSequenceClassificationConfig,