diff --git a/appmanage/Dockerfile b/appmanage/Dockerfile
index 7a4cb109..8b1d2295 100644
--- a/appmanage/Dockerfile
+++ b/appmanage/Dockerfile
@@ -10,7 +10,7 @@ COPY static ./static
 COPY requirements.txt main.py database.sqlite  ./
 RUN apt update
 
-# Install supervisord
+# Install supervisords
 RUN apt install -y supervisor
 COPY config/supervisord.conf /etc/supervisor/conf.d/supervisord.conf
 COPY config/cmd.sh /cmd.sh
diff --git a/appmanage/api/service/db.py b/appmanage/api/service/db.py
index 6693758c..94c2cce6 100644
--- a/appmanage/api/service/db.py
+++ b/appmanage/api/service/db.py
@@ -1,5 +1,7 @@
 from fastapi import FastAPI
 from pydantic import BaseModel
+from api.exception.command_exception import CommandException
+from api.utils import const
 from api.model.user import User
 import sqlite3
 
@@ -17,6 +19,8 @@ def AppUpdateUser(user_name, password):
     conn.close()
 
 def AppSearchUsers(user_type):
+    if user_type != "nginx" or user_type != "portainer":
+      raise CommandException(const.ERROR_CLIENT_PARAM_NOTEXIST, "This plugin doesn't exist!", "This plugin doesn't exist!")
     conn = sqlite3.connect('/usr/src/app/database.sqlite')
     conn.row_factory = dict_factory
     cursor = conn.cursor()
diff --git a/appmanage/api/v1/routers/apps.py b/appmanage/api/v1/routers/apps.py
index 3a2bf3bf..67511b41 100644
--- a/appmanage/api/v1/routers/apps.py
+++ b/appmanage/api/v1/routers/apps.py
@@ -61,7 +61,7 @@ update = "  Compare_content: 新旧版本内容{\n\n" \
 
 appstore_update = "  Update_content: [] 更新内容\n\n}\n\n"
 auto = "  auto_update: 目前的自动更新状态\n\n}\n\n"
-user = "  user: 用户信息\n\n" \
+user = "  user: 用户信息{\n\n" \
          "      username: 用户名\n\n" \
          "      password: 密码\n\n" \
          "      nick_name: 昵称\n\n    }\n\n}\n\n"
@@ -431,7 +431,7 @@ def AppAutoUpdate(request: Request,auto_update: Optional[str] = Query(default=No
     return response
 
 @router.api_route("/AppSearchUsers", methods=["GET", "POST"], summary="获取appstore用户信息", response_model=Response, response_description=rd_user_list)
-def AppSearchUsers(request: Request, plugin_name: Optional[str] = Query(default=None, description="用户名")):
+def AppSearchUsers(request: Request, plugin_name: Optional[str] = Query(default=None, description="插件名(仅支持portainer,nginx)")):
 
     try:
         myLogger.info_logger("Receive request: /AppSearchUsers")