diff --git a/projects/web_demo/web_demo/api/analysis/pdf_ext.py b/projects/web_demo/web_demo/api/analysis/pdf_ext.py
index 0c6d5dd2..71173b71 100644
--- a/projects/web_demo/web_demo/api/analysis/pdf_ext.py
+++ b/projects/web_demo/web_demo/api/analysis/pdf_ext.py
@@ -15,7 +15,7 @@
 from magic_pdf.libs.json_compressor import JsonCompressor
 from magic_pdf.pipe.UNIPipe import UNIPipe
 
-from ..extensions import app, db
+from ..extentions import app, db
 from .ext import find_file
 from .models import AnalysisPdf, AnalysisTask
 
diff --git a/projects/web_demo/web_demo/api/extensions.py b/projects/web_demo/web_demo/api/extentions.py
similarity index 100%
rename from projects/web_demo/web_demo/api/extensions.py
rename to projects/web_demo/web_demo/api/extentions.py