diff --git a/release-assistant/javcra/application/checkpart/check_requires/check_yum_repo.py b/release-assistant/javcra/application/checkpart/check_requires/check_yum_repo.py
new file mode 100644
index 0000000000000000000000000000000000000000..329912fedbf59b0ebdd7afbfaafeb56f635b0725
--- /dev/null
+++ b/release-assistant/javcra/application/checkpart/check_requires/check_yum_repo.py
@@ -0,0 +1,70 @@
+#!/usr/bin/python3
+# ******************************************************************************
+# Copyright (c) Huawei Technologies Co., Ltd. 2020-2020. All rights reserved.
+# licensed under the Mulan PSL v2.
+# You can use this software according to the terms and conditions of the Mulan PSL v2.
+# You may obtain a copy of Mulan PSL v2 at:
+#     http://license.coscl.org.cn/MulanPSL2
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+# PURPOSE.
+# See the Mulan PSL v2 for more details.
+# Author: DisNight
+# Create: 2021-06-29
+# ******************************************************************************/
+
+import unittest
+import sys
+
+from javcra.application.checkpart.check_requires import init_env
+from dnf.cli import main
+
+# need to install osc command rpm `dnf install osc`
+
+
+class YumRepoChecker(unittest.TestCase):
+    """
+    use dnf command `dnf makecache --config xxx.repo` to verify yum repo file
+    """
+
+    DNF_SUCCEED_RTCODE = 0
+
+    def _test_yum_repo(self, branch: str, predict: int) -> None:
+        """
+        use dnf command `dnf makecache --config xxx.repo` to verify yum repo file
+
+        Attributes:
+            pkg_list: source rpm list
+            published_repos: published repo name list in /etc/yum.repo.d/xxx.repo (repo.openuler.org/xxx etc.)
+            dev_repos: develop repo name list in /etc/yum.repo.d/xxx.repo (obs.repo/xxxx etc.)
+            branch: branch in obs proj such as (openEuler:20.03:LTS:SP1, openEuler:20.03:LTS:SP1:EPOL, etc.)
+
+        return:
+            pkg_dict = {
+                src_rpm: [bin_rpm],
+                ...
+            }
+        """
+        repo_file = init_env.get_yum_repo_file(branch, init_env.OPENEULER_BRANCH_MAP)
+        exit_code = main.user_main(
+            ["--config", repo_file, "makecache"], exit_code=False
+        )
+        sys.modules.clear()
+        self.assertEqual(exit_code, predict)
+
+    def test_oe2003lts_yum_repo(self):
+        self._test_yum_repo("openEuler-20.03-LTS", self.DNF_SUCCEED_RTCODE)
+
+    def test_oe2003ltssp1_yum_repo(self):
+        self._test_yum_repo("openEuler-20.03-LTS-SP1", self.DNF_SUCCEED_RTCODE)
+        
+    def test_oe2003ltssp2_yum_repo(self):
+        self._test_yum_repo("openEuler-20.03-LTS-SP2", self.DNF_SUCCEED_RTCODE)
+        
+    def test_oe2003ltssp3_yum_repo(self):
+        self._test_yum_repo("openEuler-20.03-LTS-SP3", self.DNF_SUCCEED_RTCODE)
+
+
+if __name__ == "__main__":
+    suite = unittest.makeSuite(YumRepoChecker)
+    unittest.TextTestRunner().run(suite)
diff --git a/release-assistant/javcra/application/checkpart/check_requires/config/oscrc.templete b/release-assistant/javcra/application/checkpart/check_requires/config/oscrc.templete
new file mode 100644
index 0000000000000000000000000000000000000000..526ca76630ea8a206cbe4dd3d0fc82df499f009b
--- /dev/null
+++ b/release-assistant/javcra/application/checkpart/check_requires/config/oscrc.templete
@@ -0,0 +1,7 @@
+[general]
+apiurl=@APIURL@
+no_verify=1
+
+[@APIURL@]
+user=@USERNAME@
+pass=@PASSWORD@
\ No newline at end of file
diff --git a/release-assistant/javcra/application/checkpart/check_requires/config/support_branch.yaml b/release-assistant/javcra/application/checkpart/check_requires/config/support_branch.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..e18a14892289f54ebadabfb6f23006fd9c9bbd83
--- /dev/null
+++ b/release-assistant/javcra/application/checkpart/check_requires/config/support_branch.yaml
@@ -0,0 +1,9 @@
+openEuler :
+  openEuler-20.03-LTS:
+    obs_alias: "openEuler:20.03:LTS"
+  openEuler-20.03-LTS-SP1:
+    obs_alias: "openEuler:20.03:LTS:SP1"
+  openEuler-20.03-LTS-SP2:
+    obs_alias: "openEuler:20.03:LTS:SP2"
+  openEuler-20.03-LTS-SP3:
+    obs_alias: "openEuler:20.03:LTS:SP3"
\ No newline at end of file
diff --git a/release-assistant/javcra/application/checkpart/check_requires/config/yum.repo/openEuler-20.03-LTS-SP1.repo b/release-assistant/javcra/application/checkpart/check_requires/config/yum.repo/openEuler-20.03-LTS-SP1.repo
new file mode 100644
index 0000000000000000000000000000000000000000..bea709e2a576c06e9e739b572a24667974acce2f
--- /dev/null
+++ b/release-assistant/javcra/application/checkpart/check_requires/config/yum.repo/openEuler-20.03-LTS-SP1.repo
@@ -0,0 +1,93 @@
+#generic-repos is licensed under the Mulan PSL v2.
+#You can use this software according to the terms and conditions of the Mulan PSL v2.
+#You may obtain a copy of Mulan PSL v2 at:
+#    http://license.coscl.org.cn/MulanPSL2
+#THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+#IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+#PURPOSE.
+#See the Mulan PSL v2 for more details.
+
+#binary repo
+
+[OS]
+name=OS
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/OS/$basearch/
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/OS/$basearch/RPM-GPG-KEY-openEuler
+ 
+[everything]
+name=everything
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/everything/$basearch/
+enabled=1
+gpgcheck=0
+priority=2
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/everything/$basearch/RPM-GPG-KEY-openEuler
+
+[update]
+name=update
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/update/$basearch/
+enabled=1
+gpgcheck=0
+priority=1
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/update/$basearch/RPM-GPG-KEY-openEuler
+
+[debuginfo]
+name=debuginfo
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/debuginfo/$basearch/
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/debuginfo/$basearch/RPM-GPG-KEY-openEuler
+
+[devel-obs]
+name=devel-obs
+baseurl=http://119.3.219.20:82/openEuler:/20.03:/LTS:/SP1/standard_$basearch/
+enabled=1
+gpgcheck=0
+priority=3
+
+#source repo
+
+[everything-src]
+name=everything-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/source/$basearch/RPM-GPG-KEY-openEuler
+
+[update-src]
+name=update-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/update/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/update/source/RPM-GPG-KEY-openEuler
+
+#EPOL binary repo
+
+[EPOL]
+name=EPOL
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/EPOL/$basearch/
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/OS/$basearch/RPM-GPG-KEY-openEuler
+
+[Epol-src]
+name=Epol-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/Epol/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/Epol/source/RPM-GPG-KEY-openEuler
+
+[Epol-update-src]
+name=Epol-update-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/Epol/update/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP1/Epol/update/source/RPM-GPG-KEY-openEuler
+
+[devel-obs]
+name=devel-obs
+baseurl=http://119.3.219.20:82/openEuler:/20.03:/LTS:/SP1/standard_$basearch/
+enabled=1
+gpgcheck=0
+priority=3
\ No newline at end of file
diff --git a/release-assistant/javcra/application/checkpart/check_requires/config/yum.repo/openEuler-20.03-LTS-SP2.repo b/release-assistant/javcra/application/checkpart/check_requires/config/yum.repo/openEuler-20.03-LTS-SP2.repo
new file mode 100644
index 0000000000000000000000000000000000000000..a22c180854edcb68b531a3725233b62327975cbd
--- /dev/null
+++ b/release-assistant/javcra/application/checkpart/check_requires/config/yum.repo/openEuler-20.03-LTS-SP2.repo
@@ -0,0 +1,93 @@
+#generic-repos is licensed under the Mulan PSL v2.
+#You can use this software according to the terms and conditions of the Mulan PSL v2.
+#You may obtain a copy of Mulan PSL v2 at:
+#    http://license.coscl.org.cn/MulanPSL2
+#THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+#IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+#PURPOSE.
+#See the Mulan PSL v2 for more details.
+
+#binary repo
+
+[OS]
+name=OS
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/OS/$basearch/
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/OS/$basearch/RPM-GPG-KEY-openEuler
+ 
+[everything]
+name=everything
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/everything/$basearch/
+enabled=1
+gpgcheck=0
+priority=2
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/everything/$basearch/RPM-GPG-KEY-openEuler
+
+[update]
+name=update
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/update/$basearch/
+enabled=1
+gpgcheck=0
+priority=1
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/update/$basearch/RPM-GPG-KEY-openEuler
+
+[debuginfo]
+name=debuginfo
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/debuginfo/$basearch/
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/debuginfo/$basearch/RPM-GPG-KEY-openEuler
+
+[devel-obs]
+name=devel-obs
+baseurl=http://119.3.219.20:82/openEuler:/20.03:/LTS:/SP2/standard_$basearch/
+enabled=1
+gpgcheck=0
+priority=3
+
+#source repo
+
+[everything-src]
+name=everything-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/source/$basearch/RPM-GPG-KEY-openEuler
+
+[update-src]
+name=update-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/update/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/update/source/RPM-GPG-KEY-openEuler
+
+#EPOL binary repo
+
+[EPOL]
+name=EPOL
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/EPOL/main/$basearch/
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/OS/$basearch/RPM-GPG-KEY-openEuler
+
+[Epol-src]
+name=Epol-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/Epol/main/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/Epol/source/RPM-GPG-KEY-openEuler
+
+[Epol-update-src]
+name=Epol-update-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/Epol/main/update/main/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP2/Epol/update/main/source/RPM-GPG-KEY-openEuler
+
+[devel-obs]
+name=devel-obs
+baseurl=http://119.3.219.20:82/openEuler:/20.03:/LTS:/SP2/standard_$basearch/
+enabled=1
+gpgcheck=0
+priority=3
\ No newline at end of file
diff --git a/release-assistant/javcra/application/checkpart/check_requires/config/yum.repo/openEuler-20.03-LTS-SP3.repo b/release-assistant/javcra/application/checkpart/check_requires/config/yum.repo/openEuler-20.03-LTS-SP3.repo
new file mode 100644
index 0000000000000000000000000000000000000000..4ed1d94c0e52c2912217fa9c2f6e4398d3e41e66
--- /dev/null
+++ b/release-assistant/javcra/application/checkpart/check_requires/config/yum.repo/openEuler-20.03-LTS-SP3.repo
@@ -0,0 +1,93 @@
+#generic-repos is licensed under the Mulan PSL v2.
+#You can use this software according to the terms and conditions of the Mulan PSL v2.
+#You may obtain a copy of Mulan PSL v2 at:
+#    http://license.coscl.org.cn/MulanPSL2
+#THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+#IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+#PURPOSE.
+#See the Mulan PSL v2 for more details.
+
+#binary repo
+
+[OS]
+name=OS
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/OS/$basearch/
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/OS/$basearch/RPM-GPG-KEY-openEuler
+ 
+[everything]
+name=everything
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/everything/$basearch/
+enabled=1
+gpgcheck=0
+priority=2
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/everything/$basearch/RPM-GPG-KEY-openEuler
+
+[update]
+name=update
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/update/$basearch/
+enabled=1
+gpgcheck=0
+priority=1
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/update/$basearch/RPM-GPG-KEY-openEuler
+
+[debuginfo]
+name=debuginfo
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/debuginfo/$basearch/
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/debuginfo/$basearch/RPM-GPG-KEY-openEuler
+
+[devel-obs]
+name=devel-obs
+baseurl=http://119.3.219.20:82/openEuler:/20.03:/LTS:/SP3/standard_$basearch/
+enabled=1
+gpgcheck=0
+priority=3
+
+#source repo
+
+[everything-src]
+name=everything-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/source/$basearch/RPM-GPG-KEY-openEuler
+
+[update-src]
+name=update-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/update/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/update/source/RPM-GPG-KEY-openEuler
+
+#EPOL binary repo
+
+[EPOL]
+name=EPOL
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/EPOL/main/$basearch/
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/OS/$basearch/RPM-GPG-KEY-openEuler
+
+[Epol-src]
+name=Epol-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/Epol/main/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/Epol/main/source/RPM-GPG-KEY-openEuler
+
+[Epol-update-src]
+name=Epol-update-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/Epol/update/main/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS-SP3/Epol/update/main/source/RPM-GPG-KEY-openEuler
+
+[devel-obs]
+name=devel-obs
+baseurl=http://119.3.219.20:82/openEuler:/20.03:/LTS:/SP3/standard_$basearch/
+enabled=1
+gpgcheck=0
+priority=3
\ No newline at end of file
diff --git a/release-assistant/javcra/application/checkpart/check_requires/config/yum.repo/openEuler-20.03-LTS.repo b/release-assistant/javcra/application/checkpart/check_requires/config/yum.repo/openEuler-20.03-LTS.repo
new file mode 100644
index 0000000000000000000000000000000000000000..e9007ed7230bbb8c7e951e4e87676e74fa02fea9
--- /dev/null
+++ b/release-assistant/javcra/application/checkpart/check_requires/config/yum.repo/openEuler-20.03-LTS.repo
@@ -0,0 +1,88 @@
+#generic-repos is licensed under the Mulan PSL v2.
+#You can use this software according to the terms and conditions of the Mulan PSL v2.
+#You may obtain a copy of Mulan PSL v2 at:
+#    http://license.coscl.org.cn/MulanPSL2
+#THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+#IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+#PURPOSE.
+#See the Mulan PSL v2 for more details.
+
+#binary repo
+
+[OS]
+name=OS
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS/OS/$basearch/
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS/OS/$basearch/RPM-GPG-KEY-openEuler
+ 
+[everything]
+name=everything
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS/everything/$basearch/
+enabled=1
+gpgcheck=0
+priority=2
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS/everything/$basearch/RPM-GPG-KEY-openEuler
+
+[update]
+name=update
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS/update/$basearch/
+enabled=1
+gpgcheck=0
+priority=1
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS/update/$basearch/RPM-GPG-KEY-openEuler
+
+[debuginfo]
+name=debuginfo
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS/debuginfo/$basearch/
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS/debuginfo/$basearch/RPM-GPG-KEY-openEuler
+
+[devel-obs]
+name=devel-obs
+baseurl=http://119.3.219.20:82/openEuler:/20.03:/LTS/standard_$basearch/
+enabled=1
+gpgcheck=0
+priority=3
+
+#source repo
+
+[everything-src]
+name=everything-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS/source/$basearch/RPM-GPG-KEY-openEuler
+
+[update-src]
+name=update-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS/update/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS/update/source/RPM-GPG-KEY-openEuler
+
+#EPOL binary repo
+
+[EPOL]
+name=EPOL
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS/EPOL/$basearch/
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS/OS/$basearch/RPM-GPG-KEY-openEuler
+
+[Epol-update-src]
+name=Epol-update-src
+baseurl=https://repo.openeuler.org/openEuler-20.03-LTS/Epol/update/source
+enabled=0
+gpgcheck=0
+gpgkey=https://repo.openeuler.org/openEuler-20.03-LTS/Epol/update/source/RPM-GPG-KEY-openEuler
+
+[devel-epol-obs]
+name=devel-epol-obs
+baseurl=http://119.3.219.20:82/openEuler:/20.03:/LTS:/Epol/standard_$basearch/
+enabled=0
+gpgcheck=0
+
+
+