diff --git a/deepdoc/parser/figure_parser.py b/deepdoc/parser/figure_parser.py
index f659b384..0cb47b60 100644
--- a/deepdoc/parser/figure_parser.py
+++ b/deepdoc/parser/figure_parser.py
@@ -25,6 +25,8 @@ from rag.prompts.generator import vision_llm_figure_describe_prompt
 
 
 def vision_figure_parser_figure_data_wrapper(figures_data_without_positions):
+    if not figures_data_without_positions:
+        return []
     return [
         (
             (figure_data[1], [figure_data[0]]),
@@ -35,7 +37,9 @@ def vision_figure_parser_figure_data_wrapper(figures_data_without_positions):
     ]
 
 
-def vision_figure_parser_docx_wrapper(sections,tbls,callback=None,**kwargs):
+def vision_figure_parser_docx_wrapper(sections, tbls, callback=None,**kwargs):
+    if not tbls:
+        return []
     try:
         vision_model = LLMBundle(kwargs["tenant_id"], LLMType.IMAGE2TEXT)
         callback(0.7, "Visual model detected. Attempting to enhance figure extraction...")
@@ -53,6 +57,8 @@ def vision_figure_parser_docx_wrapper(sections,tbls,callback=None,**kwargs):
 
 
 def vision_figure_parser_pdf_wrapper(tbls, callback=None, **kwargs):
+    if not tbls:
+        return []
     try:
         vision_model = LLMBundle(kwargs["tenant_id"], LLMType.IMAGE2TEXT)
         callback(0.7, "Visual model detected. Attempting to enhance figure extraction...")