diff --git a/app/services/api/v1/issues/create_service.rb b/app/services/api/v1/issues/create_service.rb
index 6a10df87c..4db9394f8 100644
--- a/app/services/api/v1/issues/create_service.rb
+++ b/app/services/api/v1/issues/create_service.rb
@@ -60,8 +60,8 @@ class Api::V1::Issues::CreateService < ApplicationService
       @created_issue.issue_tags_value = @issue_tags.order("id asc").pluck(:id).join(",") unless issue_tag_ids.blank?
       @created_issue.save!
 
-      if Site.has_blockchain? && @project.use_blockchain
-        if @created_issue.blockchain_token_num > 0 
+      if Site.has_blockchain? && @project.use_blockchain 
+        if @created_issue.blockchain_token_num.present? && @created_issue.blockchain_token_num > 0 
           Blockchain::CreateIssue.call({user_id: @created_issue.author_id, project_id: @created_issue.project_id, token_num: @created_issue.blockchain_token_num})
         end
   
diff --git a/app/services/api/v1/issues/list_service.rb b/app/services/api/v1/issues/list_service.rb
index 67bc84c5e..faf1c1c31 100644
--- a/app/services/api/v1/issues/list_service.rb
+++ b/app/services/api/v1/issues/list_service.rb
@@ -69,7 +69,7 @@ class Api::V1::Issues::ListService < ApplicationService
     issues = issues.where(status_id: status_id) if status_id.present?
 
     # keyword
-    issues = issues.ransack(id_eq: params[:keyword]).result.or(issues.ransack(subject_or_description_cont: keyword).result) if keyword.present?
+    issues = issues.ransack(id_eq: keyword).result.or(issues.ransack(subject_or_description_cont: keyword).result) if keyword.present?
 
     @total_issues_count = issues.distinct.size
     @closed_issues_count = issues.closed.distinct.size