diff --git a/api/v1/system.go b/api/v1/system.go
index 44d9d831..51a26c11 100644
--- a/api/v1/system.go
+++ b/api/v1/system.go
@@ -5,9 +5,7 @@ import (
 	"net/http"
 
 	"github.com/labstack/echo/v4"
-	"go.uber.org/zap"
 
-	"github.com/usememos/memos/internal/log"
 	"github.com/usememos/memos/server/profile"
 	"github.com/usememos/memos/store"
 )
@@ -18,18 +16,12 @@ type SystemStatus struct {
 	DBSize  int64           `json:"dbSize"`
 
 	// System settings
-	// Allow sign up.
-	AllowSignUp bool `json:"allowSignUp"`
 	// Disable password login.
 	DisablePasswordLogin bool `json:"disablePasswordLogin"`
 	// Disable public memos.
 	DisablePublicMemos bool `json:"disablePublicMemos"`
 	// Max upload size.
 	MaxUploadSizeMiB int `json:"maxUploadSizeMiB"`
-	// Additional style.
-	AdditionalStyle string `json:"additionalStyle"`
-	// Additional script.
-	AdditionalScript string `json:"additionalScript"`
 	// Customized server profile, including server name and external url.
 	CustomizedProfile CustomizedProfile `json:"customizedProfile"`
 	// Storage service ID.
@@ -74,8 +66,6 @@ func (s *APIV1Service) GetSystemStatus(c echo.Context) error {
 			Mode:    s.Profile.Mode,
 			Version: s.Profile.Version,
 		},
-		// Allow sign up by default.
-		AllowSignUp:      true,
 		MaxUploadSizeMiB: 32,
 		CustomizedProfile: CustomizedProfile{
 			Name:       "Memos",
@@ -101,10 +91,7 @@ func (s *APIV1Service) GetSystemStatus(c echo.Context) error {
 	if err != nil {
 		return echo.NewHTTPError(http.StatusInternalServerError, "Failed to find workspace general setting").SetInternal(err)
 	}
-	systemStatus.AllowSignUp = !workspaceGeneralSetting.DisallowSignup
 	systemStatus.DisablePasswordLogin = workspaceGeneralSetting.DisallowPasswordLogin
-	systemStatus.AdditionalStyle = workspaceGeneralSetting.AdditionalStyle
-	systemStatus.AdditionalScript = workspaceGeneralSetting.AdditionalScript
 
 	systemSettingList, err := s.Store.ListWorkspaceSettings(ctx, &store.FindWorkspaceSetting{})
 	if err != nil {
@@ -140,7 +127,7 @@ func (s *APIV1Service) GetSystemStatus(c echo.Context) error {
 		case SystemSettingMemoDisplayWithUpdatedTsName.String():
 			systemStatus.MemoDisplayWithUpdatedTs = baseValue.(bool)
 		default:
-			log.Warn("Unknown system setting name", zap.String("setting name", systemSetting.Name))
+			// Skip unknown system setting.
 		}
 	}
 
diff --git a/api/v2/acl_config.go b/api/v2/acl_config.go
index 12bff738..0ed4fbaa 100644
--- a/api/v2/acl_config.go
+++ b/api/v2/acl_config.go
@@ -3,20 +3,20 @@ package v2
 import "strings"
 
 var authenticationAllowlistMethods = map[string]bool{
-	"/memos.api.v2.WorkspaceService/GetWorkspaceProfile": true,
-	"/memos.api.v2.WorkspaceService/GetWorkspaceSetting": true,
-	"/memos.api.v2.AuthService/GetAuthStatus":            true,
-	"/memos.api.v2.AuthService/SignIn":                   true,
-	"/memos.api.v2.AuthService/SignInWithSSO":            true,
-	"/memos.api.v2.AuthService/SignOut":                  true,
-	"/memos.api.v2.AuthService/SignUp":                   true,
-	"/memos.api.v2.UserService/GetUser":                  true,
-	"/memos.api.v2.MemoService/ListMemos":                true,
-	"/memos.api.v2.MemoService/GetMemo":                  true,
-	"/memos.api.v2.MemoService/GetMemoByName":            true,
-	"/memos.api.v2.MemoService/ListMemoResources":        true,
-	"/memos.api.v2.MemoService/ListMemoRelations":        true,
-	"/memos.api.v2.MemoService/ListMemoComments":         true,
+	"/memos.api.v2.WorkspaceService/GetWorkspaceProfile":        true,
+	"/memos.api.v2.WorkspaceSettingService/GetWorkspaceSetting": true,
+	"/memos.api.v2.AuthService/GetAuthStatus":                   true,
+	"/memos.api.v2.AuthService/SignIn":                          true,
+	"/memos.api.v2.AuthService/SignInWithSSO":                   true,
+	"/memos.api.v2.AuthService/SignOut":                         true,
+	"/memos.api.v2.AuthService/SignUp":                          true,
+	"/memos.api.v2.UserService/GetUser":                         true,
+	"/memos.api.v2.MemoService/ListMemos":                       true,
+	"/memos.api.v2.MemoService/GetMemo":                         true,
+	"/memos.api.v2.MemoService/GetMemoByName":                   true,
+	"/memos.api.v2.MemoService/ListMemoResources":               true,
+	"/memos.api.v2.MemoService/ListMemoRelations":               true,
+	"/memos.api.v2.MemoService/ListMemoComments":                true,
 }
 
 // isUnauthorizeAllowedMethod returns whether the method is exempted from authentication.
diff --git a/web/src/App.tsx b/web/src/App.tsx
index 2fcf40ee..efd8a800 100644
--- a/web/src/App.tsx
+++ b/web/src/App.tsx
@@ -1,5 +1,4 @@
 import { useColorScheme } from "@mui/joy";
-import mermaid from "mermaid";
 import { useEffect, useState } from "react";
 import { useTranslation } from "react-i18next";
 import { Outlet } from "react-router-dom";
@@ -7,19 +6,22 @@ import storage from "./helpers/storage";
 import { getSystemColorScheme } from "./helpers/utils";
 import useNavigateTo from "./hooks/useNavigateTo";
 import { useGlobalStore } from "./store/module";
-import { useUserStore } from "./store/v1";
+import { useUserStore, useWorkspaceSettingStore } from "./store/v1";
+import { WorkspaceGeneralSetting, WorkspaceSettingKey } from "./types/proto/store/workspace_setting";
 
 const App = () => {
   const { i18n } = useTranslation();
   const navigateTo = useNavigateTo();
   const { mode, setMode } = useColorScheme();
   const globalStore = useGlobalStore();
+  const workspaceSettingStore = useWorkspaceSettingStore();
   const userStore = useUserStore();
   const [loading, setLoading] = useState(true);
   const { appearance, locale, systemStatus } = globalStore.state;
   const userSetting = userStore.userSetting;
-
-  mermaid.initialize({ startOnLoad: false, theme: mode });
+  const workspaceGeneralSetting =
+    workspaceSettingStore.getWorkspaceSettingByKey(WorkspaceSettingKey.WORKSPACE_SETTING_GENERAL).generalSetting ||
+    WorkspaceGeneralSetting.fromPartial({});
 
   // Redirect to sign up page if no host.
   useEffect(() => {
@@ -30,6 +32,7 @@ const App = () => {
 
   useEffect(() => {
     const initialState = async () => {
+      await workspaceSettingStore.fetchWorkspaceSetting(WorkspaceSettingKey.WORKSPACE_SETTING_GENERAL);
       try {
         await userStore.fetchCurrentUser();
       } catch (error) {
@@ -61,21 +64,21 @@ const App = () => {
   }, []);
 
   useEffect(() => {
-    if (systemStatus.additionalStyle) {
+    if (workspaceGeneralSetting.additionalStyle) {
       const styleEl = document.createElement("style");
-      styleEl.innerHTML = systemStatus.additionalStyle;
+      styleEl.innerHTML = workspaceGeneralSetting.additionalStyle;
       styleEl.setAttribute("type", "text/css");
       document.body.insertAdjacentElement("beforeend", styleEl);
     }
-  }, [systemStatus.additionalStyle]);
+  }, [workspaceGeneralSetting.additionalStyle]);
 
   useEffect(() => {
-    if (systemStatus.additionalScript) {
+    if (workspaceGeneralSetting.additionalScript) {
       const scriptEl = document.createElement("script");
-      scriptEl.innerHTML = systemStatus.additionalScript;
+      scriptEl.innerHTML = workspaceGeneralSetting.additionalScript;
       document.head.appendChild(scriptEl);
     }
-  }, [systemStatus.additionalScript]);
+  }, [workspaceGeneralSetting.additionalScript]);
 
   // Dynamic update metadata with customized profile.
   useEffect(() => {
diff --git a/web/src/components/MemoContent/MermaidBlock.tsx b/web/src/components/MemoContent/MermaidBlock.tsx
index 30d9a18d..4d52d266 100644
--- a/web/src/components/MemoContent/MermaidBlock.tsx
+++ b/web/src/components/MemoContent/MermaidBlock.tsx
@@ -1,3 +1,4 @@
+import { useColorScheme } from "@mui/joy";
 import mermaid from "mermaid";
 import { useEffect, useRef } from "react";
 
@@ -6,14 +7,16 @@ interface Props {
 }
 
 const MermaidBlock: React.FC<Props> = ({ content }: Props) => {
+  const { mode } = useColorScheme();
   const mermaidDockBlock = useRef<null>(null);
+  mermaid.initialize({ startOnLoad: false, theme: mode });
 
   useEffect(() => {
     if (!mermaidDockBlock.current) {
       return;
     }
 
-    // Render mermaid when mounted
+    // Render mermaid when mounted.
     mermaid.run({
       nodes: [mermaidDockBlock.current],
     });
diff --git a/web/src/components/Settings/SystemSection.tsx b/web/src/components/Settings/SystemSection.tsx
index 6eb65ca7..02c4b29b 100644
--- a/web/src/components/Settings/SystemSection.tsx
+++ b/web/src/components/Settings/SystemSection.tsx
@@ -72,13 +72,14 @@ const SystemSection = () => {
   };
 
   const handleDisablePasswordLoginChanged = async (value: boolean) => {
-    setWorkspaceGeneralSetting({ ...workspaceGeneralSetting, disallowPasswordLogin: value });
+    const setting = { ...workspaceGeneralSetting, disallowPasswordLogin: value };
     await workspaceSettingServiceClient.setWorkspaceSetting({
       setting: {
         name: `${WorkspaceSettingPrefix}${WorkspaceSettingKey.WORKSPACE_SETTING_GENERAL}`,
-        generalSetting: workspaceGeneralSetting,
+        generalSetting: setting,
       },
     });
+    setWorkspaceGeneralSetting(setting);
   };
 
   const handleUpdateCustomizedProfileButtonClick = () => {
@@ -223,7 +224,7 @@ const SystemSection = () => {
       <p className="font-medium text-gray-700 dark:text-gray-500">{t("common.settings")}</p>
       <div className="w-full flex flex-row justify-between items-center">
         <span className="normal-text">{t("setting.system-section.allow-user-signup")}</span>
-        <Switch checked={workspaceGeneralSetting.disallowSignup} onChange={(event) => handleAllowSignUpChanged(event.target.checked)} />
+        <Switch checked={!workspaceGeneralSetting.disallowSignup} onChange={(event) => handleAllowSignUpChanged(event.target.checked)} />
       </div>
       <div className="w-full flex flex-row justify-between items-center">
         <span className="normal-text">{t("setting.system-section.disable-password-login")}</span>
diff --git a/web/src/pages/SignIn.tsx b/web/src/pages/SignIn.tsx
index d73b10fe..882d0585 100644
--- a/web/src/pages/SignIn.tsx
+++ b/web/src/pages/SignIn.tsx
@@ -11,13 +11,16 @@ import { absolutifyLink } from "@/helpers/utils";
 import useLoading from "@/hooks/useLoading";
 import useNavigateTo from "@/hooks/useNavigateTo";
 import { useGlobalStore } from "@/store/module";
-import { useUserStore } from "@/store/v1";
+import { useUserStore, useWorkspaceSettingStore } from "@/store/v1";
+import { WorkspaceGeneralSetting } from "@/types/proto/api/v2/workspace_setting_service";
+import { WorkspaceSettingKey } from "@/types/proto/store/workspace_setting";
 import { useTranslate } from "@/utils/i18n";
 
 const SignIn = () => {
   const t = useTranslate();
   const navigateTo = useNavigateTo();
   const globalStore = useGlobalStore();
+  const workspaceSettingStore = useWorkspaceSettingStore();
   const userStore = useUserStore();
   const actionBtnLoadingState = useLoading(false);
   const { appearance, locale, systemStatus } = globalStore.state;
@@ -25,8 +28,12 @@ const SignIn = () => {
   const [username, setUsername] = useState("");
   const [password, setPassword] = useState("");
   const [remember, setRemember] = useState(true);
-  const disablePasswordLogin = systemStatus.disablePasswordLogin;
   const [identityProviderList, setIdentityProviderList] = useState<IdentityProvider[]>([]);
+  const workspaceGeneralSetting =
+    workspaceSettingStore.getWorkspaceSettingByKey(WorkspaceSettingKey.WORKSPACE_SETTING_GENERAL).generalSetting ||
+    WorkspaceGeneralSetting.fromPartial({});
+
+  console.log("workspaceGeneralSetting", workspaceGeneralSetting);
 
   useEffect(() => {
     const fetchIdentityProviderList = async () => {
@@ -112,7 +119,7 @@ const SignIn = () => {
           <img className="h-14 w-auto rounded-full shadow" src={systemStatus.customizedProfile.logoUrl} alt="" />
           <p className="ml-2 text-5xl text-black opacity-80 dark:text-gray-200">{systemStatus.customizedProfile.name}</p>
         </div>
-        {!disablePasswordLogin && (
+        {!workspaceGeneralSetting.disallowPasswordLogin && (
           <>
             <form className="w-full mt-2" onSubmit={handleFormSubmit}>
               <div className="flex flex-col justify-start items-start w-full gap-4">
@@ -164,7 +171,7 @@ const SignIn = () => {
                 </Button>
               </div>
             </form>
-            {systemStatus.allowSignUp && (
+            {!workspaceGeneralSetting.disallowSignup && (
               <p className="w-full mt-4 text-sm">
                 <span className="dark:text-gray-500">{t("auth.sign-up-tip")}</span>
                 <Link to="/auth/signup" className="cursor-pointer ml-2 text-blue-600 hover:underline" unstable_viewTransition>
@@ -176,7 +183,7 @@ const SignIn = () => {
         )}
         {identityProviderList.length > 0 && (
           <>
-            {!disablePasswordLogin && <Divider className="!my-4">{t("common.or")}</Divider>}
+            {!workspaceGeneralSetting.disallowPasswordLogin && <Divider className="!my-4">{t("common.or")}</Divider>}
             <div className="w-full flex flex-col space-y-2">
               {identityProviderList.map((identityProvider) => (
                 <Button
diff --git a/web/src/store/module/global.ts b/web/src/store/module/global.ts
index dccc9c76..97119f9c 100644
--- a/web/src/store/module/global.ts
+++ b/web/src/store/module/global.ts
@@ -10,12 +10,9 @@ export const initialGlobalState = async () => {
     locale: "en" as Locale,
     appearance: "system" as Appearance,
     systemStatus: {
-      allowSignUp: false,
       disablePasswordLogin: false,
       disablePublicMemos: false,
       maxUploadSizeMiB: 0,
-      additionalStyle: "",
-      additionalScript: "",
       memoDisplayWithUpdatedTs: false,
       customizedProfile: {
         name: "Memos",
diff --git a/web/src/store/reducer/global.ts b/web/src/store/reducer/global.ts
index 7f3f32a1..a934f3cf 100644
--- a/web/src/store/reducer/global.ts
+++ b/web/src/store/reducer/global.ts
@@ -17,11 +17,8 @@ const globalSlice = createSlice({
         mode: "demo",
         version: "",
       },
-      allowSignUp: false,
       disablePasswordLogin: false,
       disablePublicMemos: false,
-      additionalStyle: "",
-      additionalScript: "",
       memoDisplayWithUpdatedTs: false,
       customizedProfile: {
         name: "Memos",
diff --git a/web/src/store/v1/index.ts b/web/src/store/v1/index.ts
index d03e06b3..03f0929a 100644
--- a/web/src/store/v1/index.ts
+++ b/web/src/store/v1/index.ts
@@ -3,3 +3,4 @@ export * from "./memo";
 export * from "./inbox";
 export * from "./resourceName";
 export * from "./resource";
+export * from "./workspaceSetting";
diff --git a/web/src/store/v1/workspaceSetting.ts b/web/src/store/v1/workspaceSetting.ts
new file mode 100644
index 00000000..195838f0
--- /dev/null
+++ b/web/src/store/v1/workspaceSetting.ts
@@ -0,0 +1,29 @@
+import { create } from "zustand";
+import { combine } from "zustand/middleware";
+import { workspaceSettingServiceClient } from "@/grpcweb";
+import { WorkspaceSetting } from "@/types/proto/api/v2/workspace_setting_service";
+import { WorkspaceSettingKey } from "@/types/proto/store/workspace_setting";
+import { WorkspaceSettingPrefix } from "./resourceName";
+
+interface State {
+  workspaceSettingByName: Record<string, WorkspaceSetting>;
+}
+
+const getDefaultState = (): State => ({
+  workspaceSettingByName: {},
+});
+
+export const useWorkspaceSettingStore = create(
+  combine(getDefaultState(), (set, get) => ({
+    fetchWorkspaceSetting: async (key: WorkspaceSettingKey) => {
+      const { setting } = await workspaceSettingServiceClient.getWorkspaceSetting({ name: `${WorkspaceSettingPrefix}${key}` });
+      if (!setting) {
+        throw new Error("Workspace setting not found");
+      }
+      set({ workspaceSettingByName: { ...get().workspaceSettingByName, [setting.name]: setting } });
+    },
+    getWorkspaceSettingByKey: (key: WorkspaceSettingKey) => {
+      return get().workspaceSettingByName[`${WorkspaceSettingPrefix}${key}`];
+    },
+  })),
+);
diff --git a/web/src/types/modules/system.d.ts b/web/src/types/modules/system.d.ts
index f17272f8..ed4ebf0d 100644
--- a/web/src/types/modules/system.d.ts
+++ b/web/src/types/modules/system.d.ts
@@ -15,12 +15,9 @@ interface SystemStatus {
   host?: User;
   profile: Profile;
   // System settings
-  allowSignUp: boolean;
   disablePasswordLogin: boolean;
   disablePublicMemos: boolean;
   maxUploadSizeMiB: number;
-  additionalStyle: string;
-  additionalScript: string;
   customizedProfile: CustomizedProfile;
   storageServiceId: number;
   localStoragePath: string;