diff --git a/Sense/server/app/admin/router/sys_router.go b/Sense/server/app/admin/router/sys_router.go
index ffab703..71ae8b7 100644
--- a/Sense/server/app/admin/router/sys_router.go
+++ b/Sense/server/app/admin/router/sys_router.go
@@ -80,6 +80,11 @@ func sysCheckRoleRouterInit(r *gin.RouterGroup, authMiddleware *jwt.GinJWTMiddle
 func registerBaseRouter(v1 *gin.RouterGroup, authMiddleware *jwt.GinJWTMiddleware) {
 	api := apis.SysMenu{}
 	api2 := apis.SysDept{}
+	configAPI := apis.SysConfig{}
+	// The GoAdmin login shell reads frontend-only branding before a user is
+	// authenticated. Keep this single read route public without registering the
+	// disabled system-configuration CRUD and write routes.
+	v1.GET("/app-config", configAPI.Get2SysApp)
 	v1auth := v1.Group("").Use(authMiddleware.MiddlewareFunc()).Use(middleware.AuthCheckRole())
 	{
 		v1auth.GET("/roleMenuTreeselect/:roleId", api.GetMenuTreeSelect)
diff --git a/Sense/server/app/admin/router/sys_router_test.go b/Sense/server/app/admin/router/sys_router_test.go
new file mode 100644
index 0000000..d882d47
--- /dev/null
+++ b/Sense/server/app/admin/router/sys_router_test.go
@@ -0,0 +1,37 @@
+package router
+
+import (
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	jwt "github.com/go-admin-team/go-admin-core/sdk/pkg/jwtauth"
+)
+
+func TestRegisterBaseRouterExposesOnlyFrontendAppConfig(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+	engine := gin.New()
+	registerBaseRouter(engine.Group("/api/v1"), &jwt.GinJWTMiddleware{})
+
+	routes := make(map[string]struct{})
+	for _, route := range engine.Routes() {
+		routes[route.Method+" "+route.Path] = struct{}{}
+	}
+
+	if _, ok := routes["GET /api/v1/app-config"]; !ok {
+		t.Fatal("anonymous frontend app-config route is not registered")
+	}
+	for _, disabled := range []string{
+		"GET /api/v1/config",
+		"POST /api/v1/config",
+		"GET /api/v1/config/:id",
+		"PUT /api/v1/config/:id",
+		"DELETE /api/v1/config",
+		"GET /api/v1/configKey/:configKey",
+		"GET /api/v1/set-config",
+		"PUT /api/v1/set-config",
+	} {
+		if _, ok := routes[disabled]; ok {
+			t.Fatalf("disabled system-configuration route was registered: %s", disabled)
+		}
+	}
+}