diff --git a/release.md b/release.md
index 95dfd9b68..48b095404 100644
--- a/release.md
+++ b/release.md
@@ -1,3 +1,8 @@
+# V1.5.7
+
+* 修复url拼接多个/导致访问出错问题
+* 修复前端人员列表组件范围地址错误问题
+
 # V1.5.6
 
 ### 缺陷修复
diff --git a/saas/VERSION b/saas/VERSION
index eac1e0ada..f01291b87 100644
--- a/saas/VERSION
+++ b/saas/VERSION
@@ -1 +1 @@
-1.5.6
+1.5.7
diff --git a/saas/backend/api/application/views.py b/saas/backend/api/application/views.py
index 9670329cd..63b685ef1 100644
--- a/saas/backend/api/application/views.py
+++ b/saas/backend/api/application/views.py
@@ -22,6 +22,7 @@
 from backend.biz.open import ApplicationPolicyListCache
 from backend.common.swagger import ResponseSwaggerAutoSchema
 from backend.trans.open_application import AccessSystemApplicationTrans
+from backend.util.url import url_join
 
 from .serializers import AccessSystemApplicationSLZ, AccessSystemApplicationUrlSLZ
 
@@ -59,7 +60,7 @@ def post(self, request):
         cache_id = self.application_policy_list_cache.set(policy_list)
 
         # 返回重定向地址
-        url = f"{settings.APP_URL}/apply-custom-perm"
+        url = url_join(settings.APP_URL, "/apply-custom-perm")
         params = {"system_id": system_id, "cache_id": cache_id}
         url = url + "?" + urlencode(params)
 
diff --git a/saas/backend/apps/role/tasks.py b/saas/backend/apps/role/tasks.py
index c580c15db..4778266fd 100644
--- a/saas/backend/apps/role/tasks.py
+++ b/saas/backend/apps/role/tasks.py
@@ -23,6 +23,7 @@
 from backend.common.time import get_soon_expire_ts
 from backend.component import esb
 from backend.service.constants import RoleRelatedObjectType, RoleType
+from backend.util.url import url_join
 
 logger = logging.getLogger("celery")
 
@@ -63,7 +64,7 @@ def role_group_expire_remind():
     """
     group_biz = GroupBiz()
 
-    base_url = f"{settings.APP_URL}/group-perm-renewal"
+    base_url = url_join(settings.APP_URL, "/group-perm-renewal")
 
     expired_at = get_soon_expire_ts()
     qs = Role.objects.all()
diff --git a/saas/backend/apps/user/tasks.py b/saas/backend/apps/user/tasks.py
index dde1ec568..82a2f2c7f 100644
--- a/saas/backend/apps/user/tasks.py
+++ b/saas/backend/apps/user/tasks.py
@@ -26,6 +26,7 @@
 from backend.component import esb
 from backend.service.constants import SubjectType
 from backend.service.models import Subject
+from backend.util.url import url_join
 
 logger = logging.getLogger("celery")
 
@@ -42,7 +43,7 @@ def user_group_policy_expire_remind():
     qs = User.objects.filter(staff_status=StaffStatus.IN.value)
     paginator = Paginator(qs, 100)
 
-    base_url = f"{settings.APP_URL}/perm-renewal"
+    base_url = url_join(settings.APP_URL, "/perm-renewal")
 
     if not paginator.count:
         return
diff --git a/saas/backend/component/engine.py b/saas/backend/component/engine.py
index 32f280914..0f141ce1e 100644
--- a/saas/backend/component/engine.py
+++ b/saas/backend/component/engine.py
@@ -15,6 +15,7 @@
 from backend.common.error_codes import error_codes
 from backend.common.local import local
 from backend.util.json import json_dumps
+from backend.util.url import url_join
 
 from .http import http_post, logger
 
@@ -36,9 +37,9 @@ def _call_engine_api(http_func, url_path, data, timeout=30):
     if settings.BK_IAM_ENGINE_HOST_TYPE == "direct":
         headers.update({"X-Bk-App-Code": settings.APP_ID, "X-Bk-App-Secret": settings.APP_TOKEN})
 
-    url = f"{settings.BK_IAM_ENGINE_HOST}/api/v1/engine{url_path}"
+    url = url_join(settings.BK_IAM_ENGINE_HOST, f"/api/v1/engine{url_path}")
     if settings.BK_IAM_ENGINE_HOST_TYPE == "direct":
-        url = f"{settings.BK_IAM_ENGINE_HOST}/api/v1{url_path}"
+        url = url_join(settings.BK_IAM_ENGINE_HOST, f"/api/v1{url_path}")
     kwargs = {"url": url, "data": data, "headers": headers, "timeout": timeout}
 
     ok, data = http_func(**kwargs)
diff --git a/saas/backend/component/esb.py b/saas/backend/component/esb.py
index a71770810..900168835 100644
--- a/saas/backend/component/esb.py
+++ b/saas/backend/component/esb.py
@@ -14,6 +14,7 @@
 
 from backend.common.error_codes import error_codes
 from backend.common.local import local
+from backend.util.url import url_join
 
 from .http import http_get, http_post, logger
 
@@ -35,7 +36,7 @@ def _call_esb_api(http_func, url_path, data, timeout=30):
     }
     data.update(common_params)
 
-    url = f"{settings.BK_COMPONENT_API_URL}{url_path}"
+    url = url_join(settings.BK_COMPONENT_INNER_API_URL, url_path)
     kwargs = {"url": url, "data": data, "headers": headers, "timeout": timeout}
 
     ok, data = http_func(**kwargs)
diff --git a/saas/backend/component/iam.py b/saas/backend/component/iam.py
index 0e3a60e4a..820ec841d 100644
--- a/saas/backend/component/iam.py
+++ b/saas/backend/component/iam.py
@@ -17,6 +17,7 @@
 from backend.common.local import local
 from backend.publisher import shortcut as publisher_shortcut
 from backend.util.cache import region
+from backend.util.url import url_join
 
 from .http import http_delete, http_get, http_post, http_put, logger
 from .util import execute_all_data_by_paging, list_all_data_by_paging
@@ -36,7 +37,7 @@ def _call_iam_api(http_func, url_path, data, timeout=30):
         "X-BK-APP-SECRET": settings.APP_TOKEN,
         "X-Request-Id": local.request_id,
     }
-    url = f"{settings.BK_IAM_HOST}{url_path}"
+    url = url_join(settings.BK_IAM_HOST, url_path)
     kwargs = {"url": url, "data": data, "headers": headers, "timeout": timeout}
 
     ok, data = http_func(**kwargs)
diff --git a/saas/backend/healthz/views.py b/saas/backend/healthz/views.py
index 9083c9b03..64ea46a06 100644
--- a/saas/backend/healthz/views.py
+++ b/saas/backend/healthz/views.py
@@ -17,6 +17,7 @@
 from rest_framework import serializers
 
 from backend.component import usermgr
+from backend.util.url import url_join
 
 logger = getLogger("app")
 
@@ -114,7 +115,7 @@ def celery(self):
 
     def iam(self):
         try:
-            url = f"{settings.BK_IAM_HOST}/healthz"
+            url = url_join(settings.BK_IAM_HOST, "/healthz")
             resp = requests.get(url)
             if resp.status_code != requests.codes.ok:
                 return False, f"iam backend response status[{resp.status_code}] not OK"
diff --git a/saas/backend/service/application.py b/saas/backend/service/application.py
index b9a48644a..7840333ab 100644
--- a/saas/backend/service/application.py
+++ b/saas/backend/service/application.py
@@ -17,6 +17,7 @@
 from backend.plugins.application_ticket.base import ApplicationTicketProvider
 from backend.plugins.application_ticket.itsm import ITSMApplicationTicketProvider
 from backend.util.json import json_dumps
+from backend.util.url import url_join
 from backend.util.uuid import gen_uuid
 
 from .models import (
@@ -51,7 +52,7 @@ def provider(self) -> ApplicationTicketProvider:
     def _generate_callback_info(self) -> Tuple[str, str]:
         """生成回调信息"""
         callback_id = gen_uuid()
-        callback_url = f"{settings.APP_API_URL}/api/v1/applications/{callback_id}/approve/"
+        callback_url = url_join(settings.APP_API_URL, f"/api/v1/applications/{callback_id}/approve/")
         return callback_id, callback_url
 
     def _create(self, data: TypeUnionApplicationData, create_ticket_func: Callable[[str], str]) -> Application:
diff --git a/saas/backend/service/resource.py b/saas/backend/service/resource.py
index f15085943..5fef5b96b 100644
--- a/saas/backend/service/resource.py
+++ b/saas/backend/service/resource.py
@@ -17,6 +17,7 @@
 from backend.service.models.resource import ResourceApproverAttribute
 from backend.util.basic import chunked
 from backend.util.cache import redis_region, region
+from backend.util.url import url_join
 
 from .models import (
     ResourceAttribute,
@@ -144,7 +145,7 @@ def __init__(self, system_id: str, resource_type_id: str):
         # 根据系统和资源类型获取相关认证信息和Host、URL_PATH
         provider_config = ResourceProviderConfig(system_id, resource_type_id)
         auth_info, host, url_path = provider_config.auth_info, provider_config.host, provider_config.path
-        url = f"{host}{url_path}"
+        url = url_join(host, url_path)
         self.client = resource_provider.ResourceProviderClient(system_id, resource_type_id, url, auth_info)
         # 缓存服务
         self.id_name_cache = ResourceIDNameCache(system_id, resource_type_id)
diff --git a/saas/backend/util/url.py b/saas/backend/util/url.py
new file mode 100644
index 000000000..d66ebe6e1
--- /dev/null
+++ b/saas/backend/util/url.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+"""
+TencentBlueKing is pleased to support the open source community by making 蓝鲸智云-权限中心(BlueKing-IAM) available.
+Copyright (C) 2017-2021 THL A29 Limited, a Tencent company. All rights reserved.
+Licensed under the MIT License (the "License"); you may not use this file except in compliance with the License.
+You may obtain a copy of the License at http://opensource.org/licenses/MIT
+Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+specific language governing permissions and limitations under the License.
+"""
+
+
+def url_join(host: str, path: str) -> str:
+    """
+    拼接host, path生成url
+
+    处理host, path有多余/的情况
+    """
+    return "{}/{}".format(host.rstrip("/"), path.lstrip("/"))
diff --git a/saas/blueking/component/conf.py b/saas/blueking/component/conf.py
index 36d50b0af..034343798 100644
--- a/saas/blueking/component/conf.py
+++ b/saas/blueking/component/conf.py
@@ -16,7 +16,7 @@
 
     APP_CODE = settings.APP_ID
     SECRET_KEY = settings.APP_TOKEN
-    COMPONENT_SYSTEM_HOST = getattr(settings, 'BK_COMPONENT_API_URL',
+    COMPONENT_SYSTEM_HOST = getattr(settings, 'BK_COMPONENT_INNER_API_URL',
                                     settings.BK_PAAS_HOST)
     DEFAULT_BK_API_VER = getattr(settings, 'DEFAULT_BK_API_VER', 'v2')
 except Exception:  # pylint: disable=broad-except
diff --git a/saas/config/dev.py b/saas/config/dev.py
index fdad1fd93..08aa2ab24 100644
--- a/saas/config/dev.py
+++ b/saas/config/dev.py
@@ -67,6 +67,8 @@
 BK_PAAS_HOST = os.environ.get("BK_PAAS_HOST", BK_PAAS_HOST)
 BK_PAAS_INNER_HOST = os.environ.get("BK_PAAS_INNER_HOST", BK_PAAS_HOST)
 BK_IAM_HOST = ""
+BK_COMPONENT_INNER_API_URL = BK_PAAS_INNER_HOST
+BK_COMPONENT_API_URL = BK_PAAS_HOST
 
 # for vue
 LOGIN_SERVICE_URL = BK_PAAS_HOST.rstrip("/") + "/login/"
diff --git a/saas/config/prod.py b/saas/config/prod.py
index 02233b9d9..d719bbfa2 100644
--- a/saas/config/prod.py
+++ b/saas/config/prod.py
@@ -49,6 +49,7 @@ def get_app_service_url(app_code: str) -> str:
     SECRET_KEY = APP_TOKEN = os.environ.get("BKPAAS_APP_SECRET", SECRET_KEY)
     BK_PAAS_INNER_HOST = os.environ.get("BK_PAAS2_URL", BK_PAAS_INNER_HOST)
     BK_COMPONENT_API_URL = os.environ.get("BK_COMPONENT_API_URL")
+    BK_COMPONENT_INNER_API_URL = BK_COMPONENT_API_URL
 
     # 正式环境数据库可以在这里配置
     DATABASES.update(  # 需要兼容V3环境变量
@@ -89,7 +90,8 @@ def get_app_service_url(app_code: str) -> str:
 
 # V2 Smart 配置
 else:
-    BK_COMPONENT_API_URL = BK_PAAS_INNER_HOST
+    BK_COMPONENT_INNER_API_URL = BK_PAAS_INNER_HOST
+    BK_COMPONENT_API_URL = BK_PAAS_HOST
 
     # 正式环境数据库可以在这里配置
     DATABASES.update(
diff --git a/saas/resources/version_log/V1.5.7_2021-10-11.md b/saas/resources/version_log/V1.5.7_2021-10-11.md
new file mode 100644
index 000000000..1de771416
--- /dev/null
+++ b/saas/resources/version_log/V1.5.7_2021-10-11.md
@@ -0,0 +1,5 @@
+# V1.5.7 版本更新日志
+
+### 缺陷修复
+* 修复url拼接多个/导致访问出错问题
+* 修复前端人员列表组件范围地址错误问题
diff --git a/saas/resources/version_log/V1.5.7_2021-10-11_en.md b/saas/resources/version_log/V1.5.7_2021-10-11_en.md
new file mode 100644
index 000000000..fc9c56c82
--- /dev/null
+++ b/saas/resources/version_log/V1.5.7_2021-10-11_en.md
@@ -0,0 +1,5 @@
+# V1.5.7 ChangeLog
+
+### Bug Fixes
+* Fix the problem of multiple url splicing/causing access errors
+* Fix the problem of the wrong address of the front-end personnel list component range
diff --git a/saas/tests/util/url_tests.py b/saas/tests/util/url_tests.py
new file mode 100644
index 000000000..713b873b3
--- /dev/null
+++ b/saas/tests/util/url_tests.py
@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+"""
+TencentBlueKing is pleased to support the open source community by making 蓝鲸智云-权限中心(BlueKing-IAM) available.
+Copyright (C) 2017-2021 THL A29 Limited, a Tencent company. All rights reserved.
+Licensed under the MIT License (the "License"); you may not use this file except in compliance with the License.
+You may obtain a copy of the License at http://opensource.org/licenses/MIT
+Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+specific language governing permissions and limitations under the License.
+"""
+import pytest
+
+from backend.util.url import url_join
+
+
+@pytest.mark.parametrize(
+    "host, path, expected",
+    [
+        ("http://host", "path", "http://host/path"),
+        ("http://host/", "path", "http://host/path"),
+        ("http://host", "/path", "http://host/path"),
+        ("http://host/", "/path", "http://host/path"),
+    ],
+)
+def test_url_join(host: str, path: str, expected: str):
+    assert url_join(host, path) == expected