Perf: test llm before RAPTOR. (#8897)

### What problem does this PR solve?


### Type of change

- [x] Performance Improvement

deepdoc/parser/figure_parser.py

@@ -17,6 +17,7 @@ from concurrent.futures import ThreadPoolExecutor, as_completed
 
 from PIL import Image
 
+from api.utils.api_utils import timeout
 from rag.app.picture import vision_llm_chunk as picture_vision_llm_chunk
 from rag.prompts import vision_llm_figure_describe_prompt
 
@@ -80,6 +81,7 @@ class VisionFigureParser:
     def __call__(self, **kwargs):
         callback = kwargs.get("callback", lambda prog, msg: None)
 
+        @timeout(30, 3)
         def process(figure_idx, figure_binary):
             description_text = picture_vision_llm_chunk(
                 binary=figure_binary,