diff --git a/lightx2v/models/input_encoders/hf/qwen25/qwen25_vlforconditionalgeneration.py b/lightx2v/models/input_encoders/hf/qwen25/qwen25_vlforconditionalgeneration.py
index 782fbaacb..5560c7cf2 100755
--- a/lightx2v/models/input_encoders/hf/qwen25/qwen25_vlforconditionalgeneration.py
+++ b/lightx2v/models/input_encoders/hf/qwen25/qwen25_vlforconditionalgeneration.py
@@ -55,7 +55,7 @@ def calculate_dimensions(target_area, ratio):
 class Qwen25_VLForConditionalGeneration_TextEncoder:
     def __init__(self, config):
         self.config = config
-        self.tokenizer_max_length = 1024
+        self.tokenizer_max_length = config.get("tokenizer_max_length", 4096)
         self.prompt_template_encode = config["prompt_template_encode"]
         self.prompt_template_encode_start_idx = config["prompt_template_encode_start_idx"]
         """