diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 42465e62..16c7713f 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -25,23 +25,23 @@ jobs:
                     submodules: 'recursive'
 
             -   name: Set up JDK 11
-                uses: actions/setup-java@v3
+                uses: actions/setup-java@v4
                 with:
-                    java-version: '8'
+                    java-version: '17'
                     distribution: 'temurin'
 
             -   name: Build with Gradle
-                uses: gradle/gradle-build-action@v2
+                uses: gradle/actions/setup-gradle@v3
                 with:
                     arguments: build allcoverage
 
             # run unit test with code coverage report if action is triggered by push of master branch
             # since Code Climate only evaluate code coverages of default branch.
             -   name: Unit Tests with publishing code coverage
-                uses: codecov/codecov-action@v3
+                uses: codecov/codecov-action@v4
                 with:
                     token: ${{ secrets.CODECOV_TOKEN }}
-                    files: ${{github.workspace}}/build/reports/jacoco/report.xml # optional
+                    files: ${{github.workspace}}/report/build/reports/jacoco/testCodeCoverageReport/testCodeCoverageReport.xml
                     flags: unittests # optional
                     name: codecov-umbrella # optional
                     fail_ci_if_error: true # optional (default = false)
diff --git a/README.md b/README.md
index 182a1ed3..1c451dec 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![MIT License](https://img.shields.io/badge/license-MIT-blue.svg)](https://opensource.org/licenses/MIT)
 [![LoC](https://tokei.rs/b1/github/aergoio/heraj)](https://github.com/aergoio/heraj)
 [![github build](https://github.com/aergoio/heraj/actions/workflows/gradle.yml/badge.svg)](https://github.com/aergoio/aergo/actions/workflows/gradle.yml/badge.svg)
-[![codecov.io](http://codecov.io/github/aergoio/heraj/coverage.svg?branch=develop)](http://codecov.io/github/aergoio/heraj?branch=develop)
+[![codecov.io](https://codecov.io/github/aergoio/heraj/coverage.svg?branch=develop)](https://codecov.io/github/aergoio/heraj?branch=develop)
 
 The hera is the client-side framework for the aergo.
 This repository, heraj is java implementation for hera.
diff --git a/build.gradle b/build.gradle
index 20f82fbc..d26118f2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -31,26 +31,11 @@ project(":") {
   javadoc.enabled = false
   sourceJar.enabled = false
 
-//  task allcoverage(type: JacocoReport) {
-//    def targetProjects = javaLibraryProjects.findAll {
-//      it.name != 'annotation' && it.name != 'protobuf'
-//    }
-//    dependsOn = targetProjects.collect{it.getTasksByName('coverage',false)}
-//    getSourceDirectories().setFrom(targetProjects.sourceSets.main.allSource.srcDirs)
-//    getClassDirectories().setFrom(targetProjects.sourceSets.main.output.classesDirs)
-//    getExecutionData().setFrom(targetProjects.collect{it.getTasksByName('jacocoTestReport', false).executionData})
-//    reports {
-//      html.required = true
-//      xml.required = true
-//      xml.destination file("${buildDir}/reports/jacoco/report.xml")
-//      csv.required = false
-//    }
-//    afterEvaluate {
-//      getClassDirectories().setFrom(classDirectories.files.collect {
-//        fileTree(dir: it, exclude: ['types/**'])
-//      })
-//    }
-//  }
+  task allcoverage {
+      dependsOn ':report:testCodeCoverageReport'
+      group = 'verification'
+      description = 'Runs the testCodeCoverageReport task in the report submodule.'
+  }
 
   task alljavadoc(type: Javadoc, group: 'Documentation') {
     def targetProjects = javaLibraryProjects.findAll {