diff --git a/api/core/tools/custom_tool/tool.py b/api/core/tools/custom_tool/tool.py
index 13dd2114d3..34d0f5c622 100644
--- a/api/core/tools/custom_tool/tool.py
+++ b/api/core/tools/custom_tool/tool.py
@@ -396,6 +396,10 @@ class ApiTool(Tool):
         # assemble invoke message based on response type
         if parsed_response.is_json and isinstance(parsed_response.content, dict):
             yield self.create_json_message(parsed_response.content)
+
+            # FIXES: https://github.com/langgenius/dify/pull/23456#issuecomment-3182413088
+            # We need never break the original flows
+            yield self.create_text_message(response.text)
         else:
             # Convert to string if needed and create text message
             text_response = (