diff --git a/http/technologies/dedecms-detect.yaml b/http/technologies/dedecms-detect.yaml
index 27ec0303cb..ad86f8c965 100644
--- a/http/technologies/dedecms-detect.yaml
+++ b/http/technologies/dedecms-detect.yaml
@@ -21,7 +21,7 @@ http:
     matchers-condition: and
     matchers:
       - type: dsl
-        dsl: 
+        dsl:
           - "status_code_1 == 200 && contains(body,'Power by DedeCms') || contains(body,'DedeCMS演示站') || contains(body,'DedeCMS')"
           - "status_code_2 == 200 && contains(body_2,'/plus/search.php')"
         condition: or