diff --git a/api/core/workflow/nodes/http_request/http_executor.py b/api/core/workflow/nodes/http_request/http_executor.py
index 6474a6259e..0b11454d3d 100644
--- a/api/core/workflow/nodes/http_request/http_executor.py
+++ b/api/core/workflow/nodes/http_request/http_executor.py
@@ -213,7 +213,7 @@ class HttpExecutor:
             else:
                 raise ValueError(f'Invalid headers {kv}')
             
-            self.headers[k] = v
+            self.headers[k.strip()] = v.strip()
 
         # extract all template in body
         if node_data.body: