diff --git a/app/services/api/v1/projects/codecheck_service.rb b/app/services/api/v1/projects/codecheck_service.rb
index e45bd1b27..6726538d5 100644
--- a/app/services/api/v1/projects/codecheck_service.rb
+++ b/app/services/api/v1/projects/codecheck_service.rb
@@ -65,6 +65,7 @@ class Api::V1::Projects::CodecheckService < ApplicationService
   end
 
   def defect_metric_trend(query)
+    query = URI.encode_www_form(query)
     @client.defect_metric_trend(@project.huawei_code_check_task_id,query)
   end
   def next_status