diff --git a/app/controllers/api/v1/projects/portrait_controller.rb b/app/controllers/api/v1/projects/portrait_controller.rb
index ccc76fbde..f37e30a2a 100644
--- a/app/controllers/api/v1/projects/portrait_controller.rb
+++ b/app/controllers/api/v1/projects/portrait_controller.rb
@@ -71,7 +71,7 @@ class Api::V1::Projects::PortraitController < Api::V1::BaseController
     develop_activity_issue = max_recent_one_month_issue_count.zero? ? 0 : 20*(recent_one_month_issue_count.to_f/max_recent_one_month_issue_count)
     develop_activity_pullrequest = max_recent_one_month_pullrequest_count.zero? ? 0 : 20*(recent_one_month_pullrequest_count.to_f/max_recent_one_month_pullrequest_count)
     develop_activity_release = max_recent_one_month_release_count.zero? ? 0 : 20*(recent_one_month_release_count.to_f/max_recent_one_month_release_count)
-    develop_activity = format("%.2f", 20 + develop_activity_commit + develop_activity_issue + develop_activity_pullrequest + develop_activity_release)
+    develop_activity = format("%.2f", develop_activity_commit + develop_activity_issue + develop_activity_pullrequest + develop_activity_release)
 
     render :json => {community_impact: community_impact, project_maturity: project_maturity, project_health: project_health, team_impact: team_impact, develop_activity: develop_activity}
   end
@@ -190,7 +190,7 @@ class Api::V1::Projects::PortraitController < Api::V1::BaseController
     develop_activity_issue = max_recent_one_month_issue_count.zero? ? 0 : 20*(recent_one_month_issue_count.to_f/max_recent_one_month_issue_count)
     develop_activity_pullrequest = max_recent_one_month_pullrequest_count.zero? ? 0 : 20*(recent_one_month_pullrequest_count.to_f/max_recent_one_month_pullrequest_count)
     develop_activity_release = max_recent_one_month_release_count.zero? ? 0 : 20*(recent_one_month_release_count.to_f/max_recent_one_month_release_count)
-    develop_activity = format("%.2f", 20 + develop_activity_commit + develop_activity_issue + develop_activity_pullrequest + develop_activity_release)
+    develop_activity = format("%.2f", develop_activity_commit + develop_activity_issue + develop_activity_pullrequest + develop_activity_release)
 
     render :json => {
       develop_activity_commit: develop_activity_commit,