diff --git a/.github/actions/testing_report_generation/action.yml b/.github/actions/testing_report_generation/action.yml
index d88aafe..f50bf4c 100644
--- a/.github/actions/testing_report_generation/action.yml
+++ b/.github/actions/testing_report_generation/action.yml
@@ -5,15 +5,19 @@ inputs:
     description: 'access token'
     required: true
   issue-labels:
-    description: 'Testing labels(delimited by comma or space)'
+    description: 'Testing labels(delimited by comma)'
     required: true
     default: 'nightly-testing'
+  issue-title:
+    description: 'Title of a Github Issue'
+    required: true
+    default: 'Nightly Testing Report'
   assignee:
     description: 'Assignee of this issue'
     required: false
     default: ''
   exclude-workflow-files:
-    description: 'Excluded yml files(delimited by comma or space)'
+    description: 'Excluded yml files(delimited by comma)'
     required: false
 runs:
   using: 'docker'
diff --git a/.github/actions/testing_report_generation/app.rb b/.github/actions/testing_report_generation/app.rb
index ac1889e..deea6fd 100644
--- a/.github/actions/testing_report_generation/app.rb
+++ b/.github/actions/testing_report_generation/app.rb
@@ -4,25 +4,31 @@
 require 'optparse'
 require "json"
 
-REPO_NAME_WITH_OWNER = 'firebase/firebase-ios-sdk'.freeze
-REPORT_TESTING_REPO = 'granluo/issue_generations'.freeze
-excluded_workflows = []
-issue_labels = []
+pp ENV
+REPO_NAME_WITH_OWNER = ENV['GITHUB_REPOSITORY']
+NO_WORKFLOW_RUNNING_INFO = 'All nightly cron job were not run. Please make sure there at least exists one cron job running.'.freeze
+EXCLUDED_WORKFLOWS = []
+ISSUE_LABELS = ""
+ISSUE_TITLE = "Auto-Generated Testing Report"
+
 if not ENV['INPUT_EXCLUDE-WORKFLOW-FILES'].nil?
-  excluded_workflows = ENV['INPUT_EXCLUDE-WORKFLOW-FILES'].split(/[ ,]/)
+  EXCLUDED_WORKFLOWS = ENV['INPUT_EXCLUDE-WORKFLOW-FILES'].split(/[ ,]/)
+end
+if not ENV['INPUT_ISSUE-LABELS'].nil?
+  ISSUE_LABELS = ENV['INPUT_ISSUE-LABELS']
 end
-if not ENV['INPUT_ISSUE_LABELS'].nil?
-  issue_labels = ENV['INPUT_ISSUE_LABELS'].split(/[ ,]/)
+if not ENV['INPUT_ISSUE-TITLE'].nil?
+  ISSUE_TITLE = ENV['INPUT_ISSUE-TITLE']
 end
-assignee = ENV['INPUT_ASSIGNEES']
+ASSIGNEE = ENV['INPUT_ASSIGNEES']
 
 class Table
   def initialize(title)
-    cur_time = Time.now.utc.localtime("-07:00")
+    cur_time = Time.now.utc.localtime("-08:00")
+    @is_empty_table = true
     @text = String.new ""
     @text << "# %s\n" % [title]
-    @text << "Failures are detected in workflow(s)\n"
-    @text << "This issue is generated at %s\n" % [cur_time.strftime('%m/%d/%Y %H:%M %p') ]
+    @text << "This issue is generated at %s\n" % [cur_time.strftime('%m/%d/%Y %H:%M %p %:z') ]
     @text << "| Workflow |"
     @text << (cur_time - 86400).strftime('%m/%d') + "|"
     @text << "\n| -------- |"
@@ -31,22 +37,31 @@ def initialize(title)
   end 
 
   def add_workflow_run_and_result(workflow, result)
+    @is_empty_table = false
     record = "| %s | %s |\n" % [workflow, result]
     @text << record
   end 
 
   def get_report()
+    if @is_empty_table
+      return nil
+    end
     return @text
   end 
 end 
 
-report = Table.new("Nightly Testing Report")
+failure_report = Table.new(ISSUE_TITLE)
+success_report = Table.new(ISSUE_TITLE)
 client = Octokit::Client.new(access_token: ENV["INPUT_ACCESS-TOKEN"])
-last_issue = client.list_issues(REPORT_TESTING_REPO, :labels => ENV['INPUT_ISSUE-LABEL'])[0]
+last_issue = client.list_issues(REPO_NAME_WITH_OWNER, :labels => ISSUE_LABELS, :state => "all")[0]
 workflows = client.workflows(REPO_NAME_WITH_OWNER)
 
-puts "Excluded workflow files: " + excluded_workflows.join(",")
+puts "Excluded workflow files: " + EXCLUDED_WORKFLOWS.join(",")
 for wf in workflows.workflows do
+  # skip if it is the issue generation workflow.
+  if wf.name == ENV["GITHUB_WORKFLOW"]
+    next
+  end
   workflow_file = File.basename(wf.path)
   puts workflow_file
   workflow_text = "[%s](%s)" % [wf.name, wf.html_url]
@@ -55,17 +70,34 @@ def get_report()
   latest_run = runs[0]
   if latest_run.nil?
     puts "no schedule runs found."
-  elsif excluded_workflows.include?(workflow_file)
+  elsif EXCLUDED_WORKFLOWS.include?(workflow_file)
     puts workflow_file + " is excluded in the report."
   elsif Time.now.utc - latest_run.created_at < 86400
-    puts latest_run.event + latest_run.html_url + " " + latest_run.created_at.to_s + " " + latest_run.conclusion
-    result_text = "[%s](%s)" % [latest_run.conclusion, latest_run.html_url]
-    report.add_workflow_run_and_result(workflow_text, result_text) unless latest_run.conclusion == "success"
+    result_text = "[%s](%s)" % [latest_run.conclusion.nil? ? "in_process" : latest_run.conclusion, latest_run.html_url]
+    if latest_run.conclusion == "success"
+      success_report.add_workflow_run_and_result(workflow_text, result_text)
+    else
+      failure_report.add_workflow_run_and_result(workflow_text, result_text)
+    end
   end
 end
 
-if not last_issue.nil? && last_issue.state == "open"
-  client.add_comment(REPORT_TESTING_REPO, last_issue.number,report.get_report)
+# Check if there exists any cron jobs.
+if failure_report.get_report.nil? && success_report.get_report.nil?
+  if last_issue.state == "open"
+    client.add_comment(REPO_NAME_WITH_OWNER, last_issue.number, NO_WORKFLOW_RUNNING_INFO)
+  else
+    client.create_issue(REPO_NAME_WITH_OWNER, ISSUE_TITLE, NO_WORKFLOW_RUNNING_INFO, labels: ISSUE_LABELS, assignee: ASSIGNEE)
+  end
+# Close an issue if all workflows succeed.
+elsif failure_report.get_report.nil? and last_issue.state == "open"
+  client.add_comment(REPO_NAME_WITH_OWNER, last_issue.number, success_report.get_report)
+  client.close_issue(REPO_NAME_WITH_OWNER, last_issue.number)
+# If the last issue is open, then failed report will be commented to the issue.
+elsif !last_issue.nil? and last_issue.state == "open"
+  client.add_comment(REPO_NAME_WITH_OWNER, last_issue.number,failure_report.get_report)
+  last_issue.add_comment(REPO_NAME_WITH_OWNER, last_issue.number,failure_report.get_report)
+# Creat an new issue otherwise.
 else
-  new_issue = client.create_issue(REPORT_TESTING_REPO, 'Nightly Testing Report' + Time.now.utc.localtime("-07:00").strftime('%m/%d/%Y %H:%M %p'), report.get_report, labels: issue_labels, assignee: assignee)
+  client.create_issue(REPO_NAME_WITH_OWNER, ISSUE_TITLE, failure_report.get_report, labels: ISSUE_LABELS, assignee: ASSIGNEE)
 end
diff --git a/.github/workflows/test_prod.yml b/.github/workflows/generate_issues.yml
similarity index 83%
rename from .github/workflows/test_prod.yml
rename to .github/workflows/generate_issues.yml
index df20b9b..dba12a0 100644
--- a/.github/workflows/test_prod.yml
+++ b/.github/workflows/generate_issues.yml
@@ -1,5 +1,7 @@
-name: generate_issue
+name: generate a report
+
 on:
+  workflow_dispatch:
   pull_request:
     paths:
     - '.github/workflows/generate_issues.yml'
@@ -7,7 +9,7 @@ on:
     # Run every day at 4am (PST) - cron uses UTC times
     - cron:  '0 12 * * *'
 jobs:
-  hello_world_job:
+  generate_an_issue:
     runs-on: ubuntu-latest
     name: Generate a nightly testing report issue
     steps:
@@ -17,3 +19,4 @@ jobs:
       with:
         access-token: '${{ secrets.ISSUE_TEST_TOKEN }}'
         exclude-workflow-files: 'performance.yml performance-integration-tests.yml'
+        issue-labels: 'nightly-testing'
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index eac26fa..0000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-on: [push]
-
-jobs:
-  hello_world_job:
-    runs-on: ubuntu-latest
-    name: A job to say hello
-    steps:
-    - uses: actions/checkout@v2
-    - name: Hello world action step
-      id: hello
-      uses: ./.github/actions/hello-docker
-      with:
-        who-to-greet: 'Mona the Octocat'
-        access-token: '${{ secrets.ISSUE_TEST_TOKEN }}'
-        exclude-workflow-files: 'performance.yml performance-integration-tests.yml'
-    # Use the output from the `hello` step
-    - name: Get the output time
-      run: echo "The time was ${{ steps.hello.outputs.time }}"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
deleted file mode 100644
index fe403a3..0000000
--- a/.github/workflows/test.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-name: test_issue_generation
-
-on:
-  pull_request:
-    paths:
-      - '.github/workflows/test.yml'
-jobs:
-  get_link:
-    runs-on: macOS-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Get Job Link
-        run: |
-          echo "https://github.com/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"
-          echo "https://github.com/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID" >> id_artifact.txt
-      - uses: actions/upload-artifact@v2
-        with: 
-          name: job_log_link
-          path: id_artifact.txt
-  dummy_job:
-    runs-on: macOS-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Get Job Link
-        run: |
-          echo "https://github.com/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"
-      - uses: actions/download-artifact@v2
-        with: 
-          name: job_log_link
-      - name: Add Link
-        run: |
-          echo -e "\nhttps://github.com/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID" >> id_artifact.txt
-      - uses: actions/upload-artifact@v2
-        with: 
-          name: job_log_link
-          path: id_artifact.txt