diff --git a/CHANGELOG.md b/CHANGELOG.md
index c884c727..5d10c91b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.8.8 release on 2023-07-27
+
+fixed update search api bug
+
 ## 0.8.5 release on 2023-07-26
 
 add docs
diff --git a/appmanage/api/service/manage.py b/appmanage/api/service/manage.py
index 1ba16dd0..e455f2f2 100644
--- a/appmanage/api/service/manage.py
+++ b/appmanage/api/service/manage.py
@@ -41,14 +41,14 @@ def appstore_update():
 
     # 当点击appstore升级时，是无条件升级，不需要做版本的判定
     download_url = const.ARTIFACT_URL + "/plugin/appstore/appstore-latest.zip"
-    cmd = "cd /opt && wget " + download_url + " && unzip  appstore-latest.zip "
+    cmd = "cd /opt && rm -rf /opt/appstore* && wget " + download_url + " && unzip  appstore-latest.zip "
     shell_execute.execute_command_output_all(cmd)
 
-    shell_execute.execute_command_output_all("rm -rf /usr/share/cockpit/appstore && cp /opt/appstore /usr/share/cockpit")
+    shell_execute.execute_command_output_all("rm -rf /usr/share/cockpit/appstore && cp -r /opt/appstore /usr/share/cockpit")
     shell_execute.execute_command_output_all("rm -rf /opt/appstore*")
 
     library_url = const.ARTIFACT_URL + "/plugin/library/library-latest.zip"
-    library_cmd = "cd /opt && wget " + library_url + " && unzip  library-latest.zip "
+    library_cmd = "cd /opt && rm -rf /opt/library* && wget " + library_url + " && unzip  library-latest.zip "
     shell_execute.execute_command_output_all(library_cmd)
     shell_execute.execute_command_output_all("rm -rf /data/library && cp -r /opt/library /data")
     shell_execute.execute_command_output_all("rm -rf /opt/library*")        
@@ -98,7 +98,7 @@ def AppStoreUpdate():
     core_support = AppStoreCore()
 
     if core_support == "-1":
-        raise CommandException(const.ERRORMESSAGE_SERVER_VERSION_NOTSUPPORT, "You must upgrade websoft9 core", "You must upgrade websoft9 core")
+        raise CommandException(const.ERRORMESSAGE_SERVER_VERSION_NEEDUPGRADE, "You must upgrade websoft9 core", "You must upgrade websoft9 core")
     elif core_support == "1":
         raise CommandException(const.ERRORMESSAGE_SERVER_VERSION_NOTSUPPORT, "core not support,can not upgrade", "core not support,can not upgrade")
     appstore_update()
@@ -119,7 +119,7 @@ def get_update_list():
     ret['local_version'] = local_version
     ret['target_version'] = version
     content = []
-    cmd = "curl" + const.ARTIFACT_URL + "/CHANGELOG.md" 
+    cmd = "curl " + const.ARTIFACT_URL + "/CHANGELOG.md" 
     change_log_contents = shell_execute.execute_command_output_all(cmd)['result']
     change_log = change_log_contents.split('## ')[1].split('\n')
     date = change_log[0].split()[-1]
diff --git a/appmanage/api/utils/const.py b/appmanage/api/utils/const.py
index 81924d29..4cd6c760 100644
--- a/appmanage/api/utils/const.py
+++ b/appmanage/api/utils/const.py
@@ -19,6 +19,7 @@ ERRORMESSAGE_SERVER_COMMAND="Server.Container.Error"
 ERRORMESSAGE_SERVER_SYSTEM="Server.SystemError"
 ERRORMESSAGE_SERVER_RESOURCE="Server.ResourceError"
 ERRORMESSAGE_SERVER_VERSION_NOTSUPPORT="Server.Version.NotSupport"
+ERRORMESSAGE_SERVER_VERSION_NEEDUPGRADE="Server.Version.NeedUpgradeCore"
 
 # 应用状态定义
 # 应用启动中 installing
diff --git a/appmanage/api/v1/routers/apps.py b/appmanage/api/v1/routers/apps.py
index 98c11c13..b68c6875 100644
--- a/appmanage/api/v1/routers/apps.py
+++ b/appmanage/api/v1/routers/apps.py
@@ -52,13 +52,13 @@ domain = "  Domain_set：{\n\n" \
          "    domains：域名列表\n\n" \
          "    default_domain：默认域名\n\n  }\n\n}\n\n"
 
-update = "  Compare_content: 内容比较{\n\n" \
+update = "  Compare_content: 内容比较 {\n\n" \
          "    local_version: 当前版本,\n\n" \
-         "    &target_version: 最新版本\n\n" \
+         "    target_version: 最新版本\n\n" \
          "    content: 更新内容\n\n" \
          "    date: 更新日期\n\n" \
          "    update: 是否有更新\n\n" \
-         "    core_compare: 是否支持升级(-1:需要升级内核 0:可以升级 1:无法支持)\n\n    }\n\n"
+         "    core_compare: 是否支持升级(-1:需要升级内核 0:可以升级 1:无法支持)\n\n    }\n\n}\n\n"
 
 appstore_update = "  Update_flag:  更新结果(成功或失败)\n\n}\n\n"
 auto = "  auto_update: 目前的自动更新状态\n\n}\n\n"
diff --git a/changelog_latest.md b/changelog_latest.md
index 9ea6ea74..7b7ea221 100644
--- a/changelog_latest.md
+++ b/changelog_latest.md
@@ -1 +1 @@
-新增接口 docs 文档：appstore 更新信息查询
+fixed update search api bug
diff --git a/docker/w9appmanage/.env b/docker/w9appmanage/.env
index 4adeb39b..bca29078 100644
--- a/docker/w9appmanage/.env
+++ b/docker/w9appmanage/.env
@@ -1,4 +1,4 @@
 APP_NAME=websoft9-appmanage
-APP_VERSION=0.8.5
+APP_VERSION=0.8.8
 APP_HTTP_PORT=5000
 APP_NETWORK=websoft9
diff --git a/version.json b/version.json
index 330a2b18..ff004db5 100644
--- a/version.json
+++ b/version.json
@@ -2,7 +2,7 @@
     "SERVICES": {
         "PORTAINER": "2.18.3",
         "NGINX": "2.10.3",
-        "APPMANAGE": "0.8.5",
+        "APPMANAGE": "0.8.8",
         "REDIS": "7.0.11"
     },
     "PLUGINS": {
@@ -39,5 +39,5 @@
             "18.04"
         ]
     },
-    "VERSION": "0.8.5"
+    "VERSION": "0.8.8"
 }
\ No newline at end of file