fix:移除设置中的演示模式，改为配置文件配置

internal/logic/common/settings_registry.go

@@ -67,10 +67,6 @@ var Registry = []SettingDef{
 		Label: "预计维护时长", Description: "维护模式预计持续时间，展示给用户", IsPublic: true},
 	{Key: "api_maintenance_enabled", Type: SettingTypeBool, Default: "false", Category: "general",
 		Label: "全局 API 维护", Description: "开启后 API 代理返回 503，叠加维护模式使用", IsPublic: true},
-	{Key: "demo_mode", Type: SettingTypeBool, Default: "false", Category: "general",
-		Label: "演示模式", Description: "开启后所有写操作被拦截，仅允许只读访问", IsPublic: true},
-	{Key: "demo_message", Type: SettingTypeString, Default: "演示环境，数据不可修改", Category: "general",
-		Label: "演示模式提示", Description: "演示模式下返回给用户的提示信息", IsPublic: true},
 	{Key: "tenant_console_url", Type: SettingTypeString, Default: "", Category: "general",
 		Label: "租户控制台地址", Description: "租户控制台的完整 URL，如 https://console.example.com，用于生成邀请链接等"},
 

internal/logic/settings/settings.go

@@ -3,6 +3,7 @@ package settings
 import (
 	"context"
 
+	"github.com/gogf/gf/v2/frame/g"
 	"github.com/qianfree/team-api/internal/dao"
 	"github.com/qianfree/team-api/internal/logic/common"
 	"github.com/qianfree/team-api/internal/service"
@@ -42,6 +43,14 @@ func (s *sSettings) PublicSettingsGet(ctx context.Context, _ *v1.PublicSettingsG
 		}
 	}
 
+	// Inject demo mode from config file (not database — avoids the self-lock bug)
+	settings["demo_mode"] = g.Cfg().MustGet(ctx, "demo.enabled").Bool()
+	demoMsg := g.Cfg().MustGet(ctx, "demo.message").String()
+	if demoMsg == "" {
+		demoMsg = "演示环境，数据不可修改"
+	}
+	settings["demo_message"] = demoMsg
+
 	return &v1.PublicSettingsGetRes{Settings: settings}, nil
 }
 

internal/middleware/demo.go

@@ -3,10 +3,10 @@ package middleware
 import (
 	"strings"
 
+	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/net/ghttp"
 
 	"github.com/qianfree/team-api/internal/consts"
-	"github.com/qianfree/team-api/internal/logic/common"
 	"github.com/qianfree/team-api/internal/response"
 )
 
@@ -21,10 +21,11 @@ var demoWhitelistPaths = map[string]bool{
 }
 
 // DemoMode blocks all write operations when demo mode is enabled.
+// Controlled via config file: demo.enabled = true.
 // Read-only requests (GET/HEAD/OPTIONS) and whitelisted paths are allowed.
 func DemoMode(r *ghttp.Request) {
 	ctx := r.Context()
-	if !common.Config().GetBool(ctx, "demo_mode") {
+	if !g.Cfg().MustGet(ctx, "demo.enabled").Bool() {
 		r.Middleware.Next()
 		return
 	}
@@ -50,7 +51,7 @@ func DemoMode(r *ghttp.Request) {
 		return
 	}
 
-	message := common.Config().GetString(ctx, "demo_message")
+	message := g.Cfg().MustGet(ctx, "demo.message").String()
 	if message == "" {
 		message = consts.MsgDemoModeRestricted
 	}

manifest/config/config.example.yaml

@@ -65,5 +65,11 @@ email:
     password: ""
     from:     ""
 
+# Demo mode (read-only mode, configured here — not in admin UI)
+# Set enabled: true to block all write operations and show a watermark
+demo:
+  enabled: false
+  message: "演示环境，数据不可修改"
+
 # Channel proxy (for accessing Google/Anthropic etc. from China)
 channel_proxy_url: ""

manifest/docker/config.example.yaml

@@ -81,3 +81,9 @@ email:
     username: ""
     password: ""
     from: ""
+
+# 演示模式（通过配置文件控制，不在管理后台设置）
+# 开启后所有写操作被拦截，仅允许只读访问，并在控制台显示水印
+demo:
+  enabled: false
+  message: "演示环境，数据不可修改"

web/admin/src/views/system/settings/GeneralTab.vue

@@ -42,24 +42,6 @@ const values = useFormValues()
 			</div>
 		</div>
 
-		<!-- 演示模式 -->
-		<div class="section">
-			<div class="section-title">演示模式</div>
-			<div class="switch-row">
-				<span class="switch-label">启用演示模式</span>
-				<span class="switch-desc">开启后所有写操作被拦截，仅允许只读访问</span>
-				<ASwitch
-					:model-value="values['demo_mode'] === 'true' || values['demo_mode'] === '1'"
-					@change="(v: string | number | boolean) => values['demo_mode'] = String(v)"
-				/>
-			</div>
-			<div class="section-grid" style="margin-top: 12px">
-				<AFormItem label="演示模式提示">
-					<AInput v-model="values['demo_message']" placeholder="演示环境，数据不可修改" />
-				</AFormItem>
-			</div>
-		</div>
-
 		<!-- 维护模式 -->
 		<div class="section">
 			<div class="section-title">维护模式</div>