diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 6aee4b584..1b51e3b12 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -423,7 +423,7 @@ class UsersController < ApplicationController
       @projects = []
     end
 
-    render json: { status: results[:status],  projects: @projects, total_count: @total_count }
+    # render json: { status: results[:status],  projects: @projects, total_count: @total_count }
   end
 
   # query one balance
diff --git a/app/models/concerns/watchable.rb b/app/models/concerns/watchable.rb
index 9eb0172d7..dc2b67f67 100644
--- a/app/models/concerns/watchable.rb
+++ b/app/models/concerns/watchable.rb
@@ -31,11 +31,9 @@ module Watchable
     following.size
   end
 
-  def contribution_perc
-    project_identifier = params[:project_identifier]
-    user_login = params[:id]
-    @project = Project.find_by_identifier(project_identifier)
-    @user = User.find_by_login(user_login)
+  def contribution_perc(project)
+    @project = project
+    @user = self
 
     def cal_perc(count_user, count_all)
       (count_user * 1.0 / (count_all + 0.000000001)).round(5)
diff --git a/app/queries/blockchain/balance_query.rb b/app/queries/blockchain/balance_query.rb
index 669370a54..a1bb76eea 100644
--- a/app/queries/blockchain/balance_query.rb
+++ b/app/queries/blockchain/balance_query.rb
@@ -20,7 +20,7 @@ class Blockchain::BalanceQuery < ApplicationQuery
         if owner.nil? || project.nil?
         else
           balance = t['balance']
-          result_list << [owner, project, balance]
+          result_list << {project: project, balance: balance}
         end
       end
       results = {"status": 0, "projects": result_list}
diff --git a/app/views/repositories/_contributor.json.jbuilder b/app/views/repositories/_contributor.json.jbuilder
index 56fa9ce86..2efaa0073 100644
--- a/app/views/repositories/_contributor.json.jbuilder
+++ b/app/views/repositories/_contributor.json.jbuilder
@@ -13,4 +13,5 @@ else
   json.type user["type"]
   json.name user["name"]
   json.image_url user["avatar_url"]
+  json.blockchain_perc user.contribution_perc(project)
 end
diff --git a/app/views/repositories/contributors.json.jbuilder b/app/views/repositories/contributors.json.jbuilder
index 2fb6abae8..4534de693 100644
--- a/app/views/repositories/contributors.json.jbuilder
+++ b/app/views/repositories/contributors.json.jbuilder
@@ -1,6 +1,6 @@
 total_count = @contributors.size 
 json.list @contributors.each do |contributor|
-  json.partial! 'contributor', locals: { contributor: contributor }
+  json.partial! 'contributor', locals: { contributor: contributor, project: @project }
 end
 json.total_count total_count
 
diff --git a/app/views/users/blockchain_balance.json.jbuilder b/app/views/users/blockchain_balance.json.jbuilder
new file mode 100644
index 000000000..83293cf09
--- /dev/null
+++ b/app/views/users/blockchain_balance.json.jbuilder
@@ -0,0 +1,5 @@
+json.total_count @total_count
+json.projects @projects.each do |p|
+  json.partial! 'projects/detail', locals: { project: p[:project] } 
+  json.balance p[:balance]
+end
\ No newline at end of file