case user not input a link

plugins/workflow_report/lib/workflow_report.rb

 module WorkflowReport
   TABLE_HEADER = ['root_id', 'project', 'subject', 'target_version', 'created_on ', 'closed_on ', 'due_date ', 'status ', 'Estimated_hours (*final version)', 'Actual time', 'Diff', 'Estimated_hours (*Initial version)',
                   'Number of estimation changes', 'Note of estimation changes', '1. Requirement', '2. Design', '3. Coding', '4. Testing', '5. Bug fixing', '6. Release', 'Others', '1. Requirement', '2. Design', '3. Coding',
-                  '4. Testing', '5. Bug fixing', '6. Release', 'Others', 'testcases', 'vn STG bug', 'Jp STG bug', 'Production', 'Issue', 'Issue comment', 'PR comment', 'Review comment', 'Commits', 'File changed', 'Addtion', 'Deletetion']
+                  '4. Testing', '5. Bug fixing', '6. Release', 'Others', 'testcases', 'vn STG bug', 'Jp STG bug', 'Production', 'Issue', 'Issue comment', 'PR comment', 'Review comment', 'Commits', 'File changed', 'Addtion', 'Deletetion'].freeze
   EST_DETAIL_FIRST_COL = 14
   ACTUAL_TIME_DETAIL_FIRST_COL = 21
   PR_CMT_COL = 34
-  PROCESS = ['1. Requirement', '2. Design', '3. Coding', '4. Testing', '5. Bug fixing', '6. Release', '']
-  BUGS = { testcases: 28, bugs: 29, stg_bugs: 30, prod_bugs: 31 }
+  PROCESS = ['1. Requirement', '2. Design', '3. Coding', '4. Testing', '5. Bug fixing', '6. Release', ''].freeze
+  BUGS = { testcases: 28, bugs: 29, stg_bugs: 30, prod_bugs: 31 }.freeze
 
   class << self
     def build_report(year, month, project_ids)
@@ -93,7 +93,10 @@ module WorkflowReport
             result[column].push(sum_hours_record[status].to_i >= 0 ? sum_hours_record[status] : '')
           end
         end
-        if jp_request.present?
+        if jp_request.strip.blank?
+          result[32] << ''
+          result[33] << ''
+        else
           jp_request = jp_request.strip
           result[32] << jp_request
           begin
@@ -101,14 +104,13 @@ module WorkflowReport
             if jp_request_arr.length >= 4 && jp_request_arr[3].to_i.positive?
               issue_detail = github.issues.find user: jp_request_arr[0], repo: jp_request_arr[1], number: jp_request_arr[3]
               result[33].push(issue_detail.success? ? issue_detail.comments : '')
+            else
+              result[33].push('') if result[33][result[0].length - 1].nil?
             end
-          rescue => e
+          rescue StandardError => e
             error_links << "##{root_id} Error occurred during the build with the ISSUE link:\r\n - #{jp_request} \r\n - #{e.message.gsub(/(?<=access_token=).*/, '123')}"
-            result[33].push('')
+            result[33].push('') if result[33][result[0].length - 1].nil?
           end
-        else
-          result[32] << ''
-          result[33] << ''
         end
         # pr detail
         pr = { pr_comments: 0, pr_review_comments: 0, pr_commits: 0, pr_changed_files: 0, pr_additions: 0, pr_deletions: 0 }
@@ -129,7 +131,7 @@ module WorkflowReport
                 pr[:pr_deletions] += pr_detail.deletions
                 pr[:pr_changed_files] += pr_detail.changed_files
               end
-            rescue => e
+            rescue StandardError => e
               error_links << "##{root_id} Error occurred during the build with the PR link:\r\n - #{link} \r\n - #{e.message.gsub(/(?<=access_token=).*/, '123')}"
             end
           end