diff --git a/api/core/tool/web_reader_tool.py b/api/core/tool/web_reader_tool.py
index 474305ef71..be76839239 100644
--- a/api/core/tool/web_reader_tool.py
+++ b/api/core/tool/web_reader_tool.py
@@ -88,6 +88,9 @@ class WebReaderTool(BaseTool):
             texts = character_splitter.split_text(page_contents)
             docs = [Document(page_content=t) for t in texts]
 
+            if len(docs) == 0:
+                return "No content found."
+
             docs = docs[1:]
 
             # only use first 5 docs