diff --git a/fastdeploy/engine/sched/resource_manager_v1.py b/fastdeploy/engine/sched/resource_manager_v1.py
index f5bdcceb0..201273e1e 100644
--- a/fastdeploy/engine/sched/resource_manager_v1.py
+++ b/fastdeploy/engine/sched/resource_manager_v1.py
@@ -28,6 +28,7 @@ import paddle
 
 from fastdeploy.engine.request import Request, RequestStatus, RequestType
 from fastdeploy.engine.resource_manager import ResourceManager
+from fastdeploy.input.utils import IDS_TYPE_FLAG
 from fastdeploy.metrics.metrics import main_process_metrics
 from fastdeploy.utils import llm_logger
 
@@ -151,6 +152,24 @@ class ResourceManagerV1(ResourceManager):
             new_end_idx = pre_end_idx + num_new_tokens
 
             prompt_token_ids_len = len(request.prompt_token_ids)
+
+            if new_end_idx >= prompt_token_ids_len:
+                return num_new_tokens
+
+            if inputs.get("can_split_idx_list") is not None:
+                if new_end_idx >= prompt_token_ids_len:
+                    return num_new_tokens
+                patch_idx = inputs["patch_idx"][new_end_idx]
+                patch_map = inputs["patch_map"][patch_idx]
+                modal_id = patch_map["modal_id"]
+                if modal_id == IDS_TYPE_FLAG["text"]:
+                    return num_new_tokens
+                elif modal_id == IDS_TYPE_FLAG["video"]:
+                    can_split_idx_list = inputs["can_split_idx_list"]
+                    for i in range(len(can_split_idx_list)):
+                        if can_split_idx_list[i] >= new_end_idx:
+                            return can_split_idx_list[i] - pre_end_idx
+
             assert prompt_token_ids_len == len(inputs["patch_idx"]), (prompt_token_ids_len, len(inputs["patch_idx"]))
 
             # start