diff --git a/dashboard/src2/components/site/InstallAppDialog.vue b/dashboard/src2/components/site/InstallAppDialog.vue
index bf486b5..83acd24 100644
--- a/dashboard/src2/components/site/InstallAppDialog.vue
+++ b/dashboard/src2/components/site/InstallAppDialog.vue
@@ -13,7 +13,7 @@
 </template>
 
 <script>
-import { getCachedDocumentResource } from 'jingrow-ui';
+import { getCachedDocumentResource, createResource } from 'jingrow-ui';
 import { defineAsyncComponent, h } from 'vue';
 import { toast } from 'vue-sonner';
 import { renderDialog } from '../../utils/components';
@@ -34,47 +34,114 @@ export default {
 	},
 	data() {
 		return {
-			show: true
+			show: true,
+			currentApp: null,
+			retryCount: 0
 		};
 	},
+	resources: {
+		// 添加API资源定义：检查应用是否可安装
+		checkAppInstallable() {
+			return {
+				url: 'jcloud.api.site.check_app_installable',
+				params: {
+					name: this.site,
+					app: this.currentApp
+				},
+				auto: false
+			};
+		}
+	},
 	computed: {
 		$site() {
 			return getCachedDocumentResource('Site', this.site);
 		},
 		listOptions() {
-			const handleInstall = row => {
+			const handleInstall = async row => {
 				if (this.$site.installApp.loading) return;
 
-				if (row.plans) {
-					this.show = false;
-
-					import('./SiteAppPlanSelectDialog.vue').then(module => {
-						const SiteAppPlanSelectDialog = module.default;
+				// 设置当前应用以便资源可以使用
+				this.currentApp = row.app;
+				this.retryCount = 0
+				
+				// 打印关键变量进行调试
+				console.log('=== 安装应用调试信息 ===');
+				console.log('站点名称:', this.site);
+				console.log('应用ID:', this.currentApp);
+				console.log('站点对象:', this.$site);
+				console.log('站点plan:', this.$site.pg?.plan);
+				console.log('=== 调试信息结束 ===');
+				
+				try {
+					// 尝试获取应用安装权限信息，最多重试2次
+					let checkResult = null;
+					let apiCalled = false;
+					
+					while (!checkResult && this.retryCount < 3) {
+						console.log(`正在调用check_app_installable API... (尝试 ${this.retryCount + 1}/3)`);
+						apiCalled = true;
 						
-						const component = h(SiteAppPlanSelectDialog, {
-							app: row,
-							currentPlan: null,
-							onPlanSelected: plan => {
-								handleAppInstall(row, plan);
-							},
-							"onPlan-selected": plan => {
-								handleAppInstall(row, plan);
-							},
+						await this.$resources.checkAppInstallable.submit();
+						
+						console.log('API调用完成，状态:', {
+							loading: this.$resources.checkAppInstallable.loading,
+							error: this.$resources.checkAppInstallable.error
 						});
 						
-						renderDialog(component);
-					}).catch(err => {
-						toast.error('加载组件失败');
-						this.show = true;
-					});
-				} else {
-					toast.promise(
-						this.$site.installApp.submit({
-							app: row.app
+						// 获取检查结果
+						checkResult = this.$resources.checkAppInstallable.data;
+						console.log('API返回结果:', checkResult);
+						
+						// 如果返回结果为null且未达到最大重试次数，等待500ms后重试
+						if (!checkResult && this.retryCount < 2) {
+							this.retryCount++;
+							console.log(`API返回null，将在500ms后重试(${this.retryCount}/2)...`);
+							await new Promise(resolve => setTimeout(resolve, 500));
+						} else {
+							break;
+						}
+					}
+					
+					// 检查返回结果是否有效
+					if (!checkResult) {
+						console.error('API返回结果无效，已达到最大重试次数');
+						toast.error('应用安装权限验证失败，安装已取消');
+						return;
+					}
+					
+					// 检查应用是否可安装
+					console.log('应用可安装?', checkResult.installable);
+					console.log('required_plan_level:', checkResult.required_plan_level);
+					console.log('current_plan_level:', checkResult.current_plan_level);
+					
+					// 如果结果显示不可安装，显示错误信息并退出
+					if (checkResult.installable !== true) {
+						console.log('应用不可安装，显示错误信息');
+						
+						const subscriptionTypeMap = {
+							2: 'Pro',
+							3: 'Business',
+							4: 'Enterprise', 
+							5: 'Ultimate'
+						};
+						
+						const requiredPlan = subscriptionTypeMap[checkResult.required_plan_level] || 
+							`Level ${checkResult.required_plan_level}`;
+						
+						toast.error(`无法安装此应用，需要${requiredPlan}或更高级别的站点计划。请先升级您的站点计划。`);
+						return;
+					}
+					
+					// 如果可安装，执行安装
+					console.log('应用可安装，开始安装流程');
+					await toast.promise(
+						this.$site.installApp.submit({ 
+							app: row.app 
 						}),
 						{
 							loading: '正在创建安装任务...',
 							success: jobId => {
+								console.log('安装任务创建成功，jobId:', jobId);
 								this.$emit('installed');
 								this.show = false;
 								
@@ -87,58 +154,28 @@ export default {
 												id: String(jobId)
 											}
 										}).catch(err => {
+											console.error('导航到作业页面失败:', err);
 										});
-									} else {
 									}
 								} catch (err) {
+									console.error('处理作业ID时出错:', err);
 								}
 								
 								return '应用安装任务已创建';
 							},
 							error: e => {
+								console.error('安装过程中出错:', e);
 								return getToastErrorMessage(e);
 							}
 						}
 					);
+					
+				} catch (error) {
+					console.error('检查应用安装权限失败:', error);
+					toast.error('无法验证安装权限，安装已取消');
 				}
 			};
 
-			const handleAppInstall = (app, plan) => {
-				toast.promise(
-					this.$site.installApp.submit({
-						app: app.app,
-						plan: plan.name
-					}),
-					{
-						loading: '正在创建安装任务...',
-						success: jobId => {
-							this.$emit('installed');
-							this.show = false;
-							
-							try {
-								if (jobId) {
-									router.push({
-										name: 'Site Job',
-										params: {
-											name: this.site,
-											id: String(jobId)
-										}
-									}).catch(err => {
-									});
-								} else {
-								}
-							} catch (err) {
-							}
-							
-							return '应用安装任务已创建';
-						},
-						error: e => {
-							return getToastErrorMessage(e);
-						}
-					}
-				);
-			};
-
 			return {
 				label: '应用',
 				fieldname: 'app',
diff --git a/jcloud/api/site.py b/jcloud/api/site.py
index fa566bd..95246a3 100644
--- a/jcloud/api/site.py
+++ b/jcloud/api/site.py
@@ -2410,3 +2410,80 @@ def get_site_config_standard_keys():
 		["name", "key", "title", "description", "type"],
 		order_by="title asc",
 	)
+
+
+@jingrow.whitelist()
+def check_app_installable(name, app):
+	"""检查站点是否有权限安装指定的应用
+
+	Args:
+		name: 站点名称
+		app: 应用名称
+
+	Returns:
+		dict: 包含是否可安装的信息
+			{
+				"installable": True/False,
+				"required_plan_level": 1-5,  # 如果不可安装
+				"current_plan_level": 1-5,   # 当前站点计划等级
+			}
+	"""
+	try:
+		print(f"check_app_installable被调用: name={name}, app={app}")
+		
+		site = jingrow.get_pg("Site", name)
+		print(f"获取到站点: {site.name}, plan={site.plan}")
+		
+		# 获取应用的subscription_level
+		app_subscription_level = jingrow.db.get_value(
+			"Marketplace App", app, "subscription_level")
+		print(f"应用{app}的subscription_level={app_subscription_level}")
+		
+		# 确保subscription_level是有效值
+		if app_subscription_level is None or app_subscription_level == "":
+			app_subscription_level = 1
+			print(f"应用{app}的subscription_level为空，使用默认值1")
+		else:
+			try:
+				app_subscription_level = int(app_subscription_level)
+				print(f"应用{app}的subscription_level转换为整数: {app_subscription_level}")
+			except (ValueError, TypeError) as e:
+				print(f"转换subscription_level出错: {e}, 使用默认值1")
+				app_subscription_level = 1
+		
+		# 获取站点的plan_level
+		site_plan_level = 1
+		if site.plan:
+			plan_level = jingrow.db.get_value(
+				"Site Plan", site.plan, "plan_level")
+			print(f"站点plan={site.plan}, plan_level={plan_level}")
+			
+			if plan_level is not None and plan_level != "":
+				try:
+					site_plan_level = int(plan_level)
+					print(f"站点plan_level转换为整数: {site_plan_level}")
+				except (ValueError, TypeError) as e:
+					print(f"转换plan_level出错: {e}, 使用默认值1")
+		else:
+			print(f"站点没有plan信息，使用默认plan_level=1")
+		
+		installable = site_plan_level >= app_subscription_level
+		print(f"安装条件判断: {site_plan_level} >= {app_subscription_level} = {installable}")
+		
+		result = {
+			"installable": installable,
+			"required_plan_level": app_subscription_level,
+			"current_plan_level": site_plan_level
+		}
+		print(f"返回结果: {result}")
+		return result
+		
+	except Exception as e:
+		print(f"check_app_installable出现异常: {e}")
+		# 发生异常时返回默认值，确保前端收到有效响应
+		return {
+			"installable": False,
+			"required_plan_level": 1,
+			"current_plan_level": 1,
+			"error": str(e)
+		}
diff --git a/jcloud/jcloud/pagetype/marketplace_app/marketplace_app.json b/jcloud/jcloud/pagetype/marketplace_app/marketplace_app.json
index e162825..0695f00 100644
--- a/jcloud/jcloud/pagetype/marketplace_app/marketplace_app.json
+++ b/jcloud/jcloud/pagetype/marketplace_app/marketplace_app.json
@@ -3,7 +3,6 @@
  "allow_guest_to_view": 1,
  "allow_rename": 1,
  "creation": "2022-02-04 19:53:27.058972",
- "pagetype": "PageType",
  "editable_grid": 1,
  "engine": "InnoDB",
  "field_order": [
@@ -16,6 +15,7 @@
   "section_break_7",
   "jingrow_approved",
   "subscription_type",
+  "subscription_level",
   "column_break_10",
   "categories",
   "published",
@@ -388,6 +388,15 @@
    "fieldtype": "Table",
    "label": "Localisation Apps",
    "options": "Marketplace Localisation App"
+  },
+  {
+   "default": "1",
+   "fieldname": "subscription_level",
+   "fieldtype": "Select",
+   "in_list_view": 1,
+   "in_standard_filter": 1,
+   "label": "Subscription Level",
+   "options": "1\n2\n3\n4\n5"
   }
  ],
  "has_web_view": 1,
@@ -397,25 +406,26 @@
  "links": [
   {
    "group": "General",
-   "link_pagetype": "App Release Approval Request",
-   "link_fieldname": "marketplace_app"
+   "link_fieldname": "marketplace_app",
+   "link_pagetype": "App Release Approval Request"
   },
   {
    "group": "App Subscription",
-   "link_pagetype": "Marketplace App Plan",
-   "link_fieldname": "app"
+   "link_fieldname": "app",
+   "link_pagetype": "Marketplace App Plan"
   },
   {
    "group": "App Subscription",
-   "link_pagetype": "Marketplace App Subscription",
-   "link_fieldname": "app"
+   "link_fieldname": "app",
+   "link_pagetype": "Marketplace App Subscription"
   }
  ],
- "modified": "2025-02-13 17:16:24.333531",
+ "modified": "2025-04-22 19:06:40.765966",
  "modified_by": "Administrator",
  "module": "Jcloud",
  "name": "Marketplace App",
  "owner": "Administrator",
+ "pagetype": "PageType",
  "permissions": [
   {
    "create": 1,
@@ -430,6 +440,7 @@
    "write": 1
   }
  ],
+ "row_format": "Dynamic",
  "sort_field": "modified",
  "sort_order": "DESC",
  "states": [
diff --git a/jcloud/jcloud/pagetype/marketplace_app/marketplace_app.py b/jcloud/jcloud/pagetype/marketplace_app/marketplace_app.py
index 1fa81e8..e8f4930 100644
--- a/jcloud/jcloud/pagetype/marketplace_app/marketplace_app.py
+++ b/jcloud/jcloud/pagetype/marketplace_app/marketplace_app.py
@@ -37,18 +37,11 @@ class MarketplaceApp(WebsiteGenerator):
 	from typing import TYPE_CHECKING
 
 	if TYPE_CHECKING:
-		from jingrow.types import DF
-
-		from jcloud.jcloud.pagetype.marketplace_app_categories.marketplace_app_categories import (
-			MarketplaceAppCategories,
-		)
-		from jcloud.jcloud.pagetype.marketplace_app_screenshot.marketplace_app_screenshot import (
-			MarketplaceAppScreenshot,
-		)
+		from jcloud.jcloud.pagetype.marketplace_app_categories.marketplace_app_categories import MarketplaceAppCategories
+		from jcloud.jcloud.pagetype.marketplace_app_screenshot.marketplace_app_screenshot import MarketplaceAppScreenshot
 		from jcloud.jcloud.pagetype.marketplace_app_version.marketplace_app_version import MarketplaceAppVersion
-		from jcloud.jcloud.pagetype.marketplace_localisation_app.marketplace_localisation_app import (
-			MarketplaceLocalisationApp,
-		)
+		from jcloud.jcloud.pagetype.marketplace_localisation_app.marketplace_localisation_app import MarketplaceLocalisationApp
+		from jingrow.types import DF
 
 		after_install_script: DF.Code | None
 		after_uninstall_script: DF.Code | None
@@ -58,8 +51,8 @@ class MarketplaceApp(WebsiteGenerator):
 		custom_verify_template: DF.Check
 		description: DF.SmallText
 		documentation: DF.Data | None
-		jingrow_approved: DF.Check
 		image: DF.AttachImage | None
+		jingrow_approved: DF.Check
 		localisation_apps: DF.Table[MarketplaceLocalisationApp]
 		long_description: DF.TextEditor | None
 		message: DF.TextEditor | None
@@ -68,15 +61,7 @@ class MarketplaceApp(WebsiteGenerator):
 		poll_method: DF.Data | None
 		privacy_policy: DF.Data | None
 		published: DF.Check
-		review_stage: DF.Literal[
-			"Not Started",
-			"Description Missing",
-			"Logo Missing",
-			"App Release Not Reviewed",
-			"Ready for Review",
-			"Ready to Publish",
-			"Rejected",
-		]
+		review_stage: DF.Literal["Not Started", "Description Missing", "Logo Missing", "App Release Not Reviewed", "Ready for Review", "Ready to Publish", "Rejected"]
 		route: DF.Data | None
 		run_after_install_script: DF.Check
 		run_after_uninstall_script: DF.Check
@@ -88,6 +73,7 @@ class MarketplaceApp(WebsiteGenerator):
 		status: DF.Literal["Draft", "Published", "In Review", "Attention Required", "Rejected", "Disabled"]
 		stop_auto_review: DF.Check
 		subject: DF.Data | None
+		subscription_level: DF.Literal["1", "2", "3", "4", "5"]
 		subscription_type: DF.Literal["Free", "Paid", "Freemium"]
 		subscription_update_hook: DF.Data | None
 		support: DF.Data | None
diff --git a/jcloud/jcloud/pagetype/site_plan/site_plan.json b/jcloud/jcloud/pagetype/site_plan/site_plan.json
index 531c6c6..6087416 100644
--- a/jcloud/jcloud/pagetype/site_plan/site_plan.json
+++ b/jcloud/jcloud/pagetype/site_plan/site_plan.json
@@ -14,6 +14,7 @@
   "column_break_5",
   "price_cny",
   "price_usd",
+  "plan_level",
   "allow_downgrading_from_other_plan",
   "features_section",
   "cpu_time_per_day",
@@ -235,11 +236,18 @@
    "fieldname": "allow_downgrading_from_other_plan",
    "fieldtype": "Check",
    "label": "Allow Downgrading From Other Plan"
+  },
+  {
+   "default": "1",
+   "fieldname": "plan_level",
+   "fieldtype": "Select",
+   "label": "Plan Level",
+   "options": "1\n2\n3\n4\n5"
   }
  ],
  "index_web_pages_for_search": 1,
  "links": [],
- "modified": "2025-04-20 20:46:00.570720",
+ "modified": "2025-04-22 18:40:33.565094",
  "modified_by": "Administrator",
  "module": "Jcloud",
  "name": "Site Plan",
diff --git a/jcloud/jcloud/pagetype/site_plan/site_plan.py b/jcloud/jcloud/pagetype/site_plan/site_plan.py
index a7936cf..53b11bc 100644
--- a/jcloud/jcloud/pagetype/site_plan/site_plan.py
+++ b/jcloud/jcloud/pagetype/site_plan/site_plan.py
@@ -39,6 +39,7 @@ class SitePlan(Plan):
 		memory: DF.Int
 		monitor_access: DF.Check
 		offsite_backups: DF.Check
+		plan_level: DF.Literal["1", "2", "3", "4", "5"]
 		plan_title: DF.Data | None
 		price_cny: DF.Currency
 		price_usd: DF.Currency
@@ -52,6 +53,7 @@ class SitePlan(Plan):
 	dashboard_fields = (
 		"name",
 		"plan_title",
+		"plan_level",
 		"interval",
 		"document_type",
 		"document_name",