diff --git a/src/app/config.js b/src/app/config.ts
similarity index 100%
rename from src/app/config.js
rename to src/app/config.ts
diff --git a/src/app/services/auth.ts b/src/app/services/auth.ts
index 2f78deda..aac8a9e3 100644
--- a/src/app/services/auth.ts
+++ b/src/app/services/auth.ts
@@ -3,6 +3,7 @@ import { nanoid } from "@reduxjs/toolkit";
 import baseQuery from "./base.query";
 import { setAuthData, updateToken, resetAuthData, updateInitialized } from "../slices/auth.data";
 import BASE_URL, { KEY_DEVICE_KEY } from "../config";
+import { AuthData } from '../../types/auth';
 
 const getDeviceId = () => {
   let d = localStorage.getItem(KEY_DEVICE_KEY);
@@ -27,7 +28,7 @@ export const authApi = createApi({
           device_token: "test"
         }
       }),
-      transformResponse: (data) => {
+      transformResponse: (data: AuthData) => {
         const { avatar_updated_at } = data.user;
         data.user.avatar =
           avatar_updated_at == 0
@@ -116,12 +117,10 @@ export const authApi = createApi({
       })
     }),
     getCredentials: builder.query({
-      query: () => ({
-        url: `/token/credentials`
-      })
+      query: () => ({ url: "/token/credentials" })
     }),
     logout: builder.query({
-      query: () => ({ url: `token/logout` }),
+      query: () => ({ url: "token/logout" }),
       async onQueryStarted(params, { dispatch, queryFulfilled }) {
         try {
           await queryFulfilled;
@@ -132,9 +131,7 @@ export const authApi = createApi({
       }
     }),
     getInitialized: builder.query({
-      query: () => ({
-        url: `/admin/system/initialized`
-      }),
+      query: () => ({ url: "/admin/system/initialized" }),
       async onQueryStarted(params, { dispatch, queryFulfilled }) {
         try {
           const { data: isInitialized } = await queryFulfilled;
diff --git a/src/app/services/base.query.js b/src/app/services/base.query.ts
similarity index 99%
rename from src/app/services/base.query.js
rename to src/app/services/base.query.ts
index b416d323..261d8596 100644
--- a/src/app/services/base.query.js
+++ b/src/app/services/base.query.ts
@@ -3,6 +3,7 @@ import toast from "react-hot-toast";
 import dayjs from "dayjs";
 import { updateToken, resetAuthData } from "../slices/auth.data";
 import BASE_URL, { tokenHeader } from "../config";
+
 const whiteList = [
   "login",
   "register",
@@ -20,6 +21,7 @@ const whiteList = [
   "getInitialized",
   "createAdmin"
 ];
+
 const baseQuery = fetchBaseQuery({
   baseUrl: BASE_URL,
   prepareHeaders: (headers, { getState, endpoint }) => {
@@ -31,6 +33,7 @@ const baseQuery = fetchBaseQuery({
     return headers;
   }
 });
+
 let waitingForRenew = null;
 const baseQueryWithTokenCheck = async (args, api, extraOptions) => {
   if (waitingForRenew) {
diff --git a/src/app/services/channel.js b/src/app/services/channel.ts
similarity index 99%
rename from src/app/services/channel.js
rename to src/app/services/channel.ts
index 0e24848d..a9ab990f 100644
--- a/src/app/services/channel.js
+++ b/src/app/services/channel.ts
@@ -9,6 +9,7 @@ import { removeChannelSession } from "../slices/message.channel";
 import { removeReactionMessage } from "../slices/message.reaction";
 import { onMessageSendStarted } from "./handlers";
 import handleChatMessage from "../../common/hook/useStreaming/chat.handler";
+
 export const channelApi = createApi({
   reducerPath: "channelApi",
   baseQuery,
diff --git a/src/app/services/contact.js b/src/app/services/contact.ts
similarity index 100%
rename from src/app/services/contact.js
rename to src/app/services/contact.ts
diff --git a/src/app/slices/auth.data.ts b/src/app/slices/auth.data.ts
index 258aa630..c7bc5e5f 100644
--- a/src/app/slices/auth.data.ts
+++ b/src/app/slices/auth.data.ts
@@ -1,5 +1,6 @@
 import { createSlice, PayloadAction } from '@reduxjs/toolkit';
 import { KEY_EXPIRE, KEY_PWA_INSTALLED, KEY_REFRESH_TOKEN, KEY_TOKEN, KEY_UID } from '../config';
+import { AuthData, AuthToken } from '../../types/auth';
 
 interface State {
   initialized: boolean;
@@ -25,30 +26,6 @@ const emptyState: State = {
   refreshToken: null
 };
 
-interface AuthToken {
-  // common
-  server_id: string;
-  token: string;
-  refresh_token: string;
-  expired_in: number;
-}
-
-interface User {
-  uid: number;
-  email: string;
-  name: string;
-  gender: number;
-  language: string;
-  is_admin: boolean;
-  avatar_updated_at: number;
-  create_by: string;
-}
-
-interface AuthData extends AuthToken {
-  initialized?: boolean;
-  user: User;
-}
-
 const authDataSlice = createSlice({
   name: 'authData',
   initialState,
diff --git a/src/app/slices/contacts.js b/src/app/slices/contacts.js
deleted file mode 100644
index a1d62491..00000000
--- a/src/app/slices/contacts.js
+++ /dev/null
@@ -1,86 +0,0 @@
-import { createSlice } from "@reduxjs/toolkit";
-import { getNonNullValues } from "../../common/utils";
-import BASE_URL from "../config";
-const initialState = {
-  ids: [],
-  byId: {}
-};
-const contactsSlice = createSlice({
-  name: `contacts`,
-  initialState,
-  reducers: {
-    resetContacts() {
-      return initialState;
-    },
-    fullfillContacts(state, action) {
-      console.log("set Contacts store", action);
-      const contacts = action.payload || [];
-      state.ids = contacts.map(({ uid }) => uid);
-      state.byId = Object.fromEntries(
-        contacts.map((c) => {
-          const { uid } = c;
-          return [uid, c];
-        })
-      );
-    },
-    removeContact(state, action) {
-      const uid = action.payload;
-      state.ids = state.ids.filter((i) => i != uid);
-      delete state.byId[uid];
-    },
-    updateUsersByLogs(state, action) {
-      const changeLogs = action.payload;
-      changeLogs.forEach(({ action, uid, ...rest }) => {
-        switch (action) {
-          case "update":
-            {
-              const vals = getNonNullValues(rest);
-              if (state.byId[uid]) {
-                Object.keys(vals).forEach((k) => {
-                  state.byId[uid][k] = vals[k];
-                  if (k == "avatar_updated_at") {
-                    state.byId[uid].avatar = `${BASE_URL}/resource/avatar?uid=${uid}&t=${vals[k]}`;
-                  }
-                });
-              }
-            }
-            break;
-          case "create":
-            {
-              state.byId[uid] = { uid, ...rest };
-              const idx = state.ids.findIndex((i) => i == uid);
-              if (idx == -1) {
-                state.ids.push(uid);
-              }
-            }
-            break;
-          case "delete":
-            {
-              const idx = state.ids.findIndex((i) => i == uid);
-              if (idx > -1) {
-                state.ids.splice(idx, 1);
-                delete state.byId[uid];
-              }
-            }
-            break;
-
-          default:
-            break;
-        }
-      });
-    },
-    updateUsersStatus(state, action) {
-      const onlines = action.payload;
-      onlines.forEach((data) => {
-        const { uid, online = false } = data;
-        // console.log("update user status", curr, online);
-        if (state.byId[uid]) {
-          state.byId[uid].online = online;
-        }
-      });
-    }
-  }
-});
-export const { resetContacts, fullfillContacts, updateUsersByLogs, updateUsersStatus } =
-  contactsSlice.actions;
-export default contactsSlice.reducer;
diff --git a/src/app/slices/contacts.ts b/src/app/slices/contacts.ts
new file mode 100644
index 00000000..ef303402
--- /dev/null
+++ b/src/app/slices/contacts.ts
@@ -0,0 +1,106 @@
+import { createSlice, PayloadAction } from '@reduxjs/toolkit';
+import { getNonNullValues } from '../../common/utils';
+import BASE_URL from '../config';
+import { User } from '../../types/auth';
+import { UserLog, UserState } from '../../types/sse';
+
+export interface StoredUser extends User {
+  online?: boolean;
+  avatar: string;
+}
+
+export interface State {
+  ids: number[];
+  byId: { [id: number]: StoredUser | undefined };
+}
+
+const initialState: State = {
+  ids: [],
+  byId: {}
+};
+
+const contactsSlice = createSlice({
+  name: 'contacts',
+  initialState,
+  reducers: {
+    resetContacts() {
+      return initialState;
+    },
+    fullfillContacts(state, action: PayloadAction<User[]>) {
+      console.log('set Contacts store', action);
+      const contacts = action.payload || [];
+      state.ids = contacts.map(({ uid }) => uid);
+      // old code
+      // state.byId = Object.fromEntries(
+      //   contacts.map((c) => {
+      //     const { uid } = c;
+      //     return [uid, c];
+      //   })
+      // );
+
+      contacts.forEach(u => {
+        state.byId[u.uid] = {
+          ...u,
+          // todo: add avatar field
+          avatar: ''
+        };
+      });
+    },
+    removeContact(state, action: PayloadAction<number>) {
+      const uid = action.payload;
+      state.ids = state.ids.filter((i) => i != uid);
+      delete state.byId[uid];
+    },
+    updateUsersByLogs(state, action: PayloadAction<UserLog[]>) {
+      const changeLogs = action.payload;
+      changeLogs.forEach(({ action, uid, ...rest }) => {
+        switch (action) {
+          case 'update': {
+            const vals = getNonNullValues(rest);
+            if (state.byId[uid]) {
+              Object.keys(vals).forEach((k) => {
+                state.byId[uid][k] = vals[k];
+                if (k == 'avatar_updated_at') {
+                  state.byId[uid]!.avatar = `${BASE_URL}/resource/avatar?uid=${uid}&t=${vals[k]}`;
+                }
+              });
+            }
+            break;
+          }
+          case 'create': {
+            // todo: missing properties avatar, create_by
+            state.byId[uid] = { uid, ...rest };
+            const idx = state.ids.findIndex((i) => i == uid);
+            if (idx == -1) {
+              state.ids.push(uid);
+            }
+            break;
+          }
+          case 'delete': {
+            const idx = state.ids.findIndex((i) => i == uid);
+            if (idx > -1) {
+              state.ids.splice(idx, 1);
+              delete state.byId[uid];
+            }
+            break;
+          }
+          default:
+            break;
+        }
+      });
+    },
+    updateUsersStatus(state, action: PayloadAction<UserState[]>) {
+      action.payload.forEach((data) => {
+        const { uid, online = false } = data;
+        // console.log("update user status", curr, online);
+        if (state.byId[uid]) {
+          state.byId[uid]!.online = online;
+        }
+      });
+    }
+  }
+});
+
+export const { resetContacts, fullfillContacts, updateUsersByLogs, updateUsersStatus } =
+  contactsSlice.actions;
+export default contactsSlice.reducer;
diff --git a/src/app/slices/favorites.js b/src/app/slices/favorites.ts
similarity index 61%
rename from src/app/slices/favorites.js
rename to src/app/slices/favorites.ts
index a26ea57e..d0fb5d08 100644
--- a/src/app/slices/favorites.js
+++ b/src/app/slices/favorites.ts
@@ -1,24 +1,32 @@
-import { createSlice } from "@reduxjs/toolkit";
+import { createSlice, PayloadAction } from '@reduxjs/toolkit';
 // import BASE_URL from "../config";
-const initialState = [];
+
+// todo: check messages type
+export interface Favorite {
+  id: number;
+  messages: any[];
+}
+
+const initialState: Favorite[] = [];
+
 const favoritesSlice = createSlice({
   name: `favorites`,
   initialState,
   reducers: {
-    fullfillFavorites(state, action) {
+    fullfillFavorites(state, action: PayloadAction<Favorite[]>) {
       return action.payload;
     },
-    addFavorite(state, action) {
+    addFavorite(state, action: PayloadAction<Favorite>) {
       state.push(action.payload);
     },
-    deleteFavorite(state, action) {
+    deleteFavorite(state, action: PayloadAction<number>) {
       const id = action.payload;
       const idx = state.findIndex((f) => f.id == id);
       if (idx > -1) {
         state.splice(idx, 1);
       }
     },
-    populateFavorite(state, action) {
+    populateFavorite(state, action: PayloadAction<Favorite>) {
       const { id, messages } = action.payload;
       const idx = state.findIndex((fav) => fav.id == id);
       if (idx > -1) {
@@ -27,6 +35,8 @@ const favoritesSlice = createSlice({
     }
   }
 });
+
 export const { addFavorite, deleteFavorite, fullfillFavorites, populateFavorite } =
   favoritesSlice.actions;
+
 export default favoritesSlice.reducer;
diff --git a/src/app/slices/footprint.js b/src/app/slices/footprint.ts
similarity index 84%
rename from src/app/slices/footprint.js
rename to src/app/slices/footprint.ts
index 188285b7..26dda682 100644
--- a/src/app/slices/footprint.js
+++ b/src/app/slices/footprint.ts
@@ -1,5 +1,15 @@
-import { createSlice } from "@reduxjs/toolkit";
-const initialState = {
+import { createSlice, PayloadAction } from '@reduxjs/toolkit';
+
+export interface State {
+  usersVersion: number;
+  afterMid: number;
+  readUsers: {};
+  readChannels: {};
+  muteUsers: {};
+  muteChannels: {};
+}
+
+const initialState: State = {
   usersVersion: 0,
   afterMid: 0,
   readUsers: {},
@@ -7,6 +17,7 @@ const initialState = {
   muteUsers: {},
   muteChannels: {}
 };
+
 const footprintSlice = createSlice({
   name: "footprint",
   initialState,
@@ -32,13 +43,11 @@ const footprintSlice = createSlice({
         muteChannels
       };
     },
-    updateUsersVersion(state, action) {
-      const usersVersion = action.payload;
-      state.usersVersion = usersVersion;
+    updateUsersVersion(state, action: PayloadAction<number>) {
+      state.usersVersion = action.payload;
     },
-    updateAfterMid(state, action) {
-      const afterMid = action.payload;
-      state.afterMid = afterMid;
+    updateAfterMid(state, action: PayloadAction<number>) {
+      state.afterMid = action.payload;
     },
     updateMute(state, action) {
       const payload = action.payload || {};
@@ -97,6 +106,7 @@ const footprintSlice = createSlice({
     }
   }
 });
+
 export const {
   resetFootprint,
   fullfillFootprint,
@@ -106,4 +116,5 @@ export const {
   updateReadUsers,
   updateMute
 } = footprintSlice.actions;
+
 export default footprintSlice.reducer;
diff --git a/src/app/slices/message.channel.js b/src/app/slices/message.channel.ts
similarity index 56%
rename from src/app/slices/message.channel.js
rename to src/app/slices/message.channel.ts
index 241758ae..cbfb3571 100644
--- a/src/app/slices/message.channel.js
+++ b/src/app/slices/message.channel.ts
@@ -1,5 +1,12 @@
-import { createSlice } from "@reduxjs/toolkit";
-const initialState = {};
+import { createSlice, PayloadAction } from '@reduxjs/toolkit';
+import { ChannelMessage } from '../../types/channel';
+import { EntityId } from '../../types/common';
+
+export interface State {
+  [gid: number]: number[] | undefined;
+}
+
+const initialState: State = {};
 
 const channelMsgSlice = createSlice({
   name: "channelMessage",
@@ -8,41 +15,41 @@ const channelMsgSlice = createSlice({
     resetChannelMsg() {
       return initialState;
     },
-    fullfillChannelMsg(state, action) {
+    fullfillChannelMsg(state, action: PayloadAction<State>) {
       return action.payload;
     },
     addChannelMsg(state, action) {
       const { id, mid, local_id = null } = action.payload;
       if (state[id]) {
-        const midExsited = state[id].findIndex((id) => id == mid) > -1;
-        const localMsgExsited = state[id].findIndex((id) => id == local_id) > -1;
+        const midExsited = state[id]!.findIndex((id) => id == mid) > -1;
+        const localMsgExsited = state[id]!.findIndex((id) => id == local_id) > -1;
         if (midExsited || localMsgExsited) return;
-        state[id].push(+mid);
+        state[id]!.push(+mid);
       } else {
         state[id] = [+mid];
       }
     },
-    removeChannelMsg(state, action) {
+    removeChannelMsg(state, action: PayloadAction<ChannelMessage & EntityId>) {
       const { id, mid } = action.payload;
       if (state[id]) {
-        const idx = state[id].findIndex((i) => i == mid);
+        const idx = state[id]!.findIndex((i) => i == mid);
         if (idx > -1) {
           // 存在 则再删除
-          state[id].splice(idx, 1);
+          state[id]!.splice(idx, 1);
         }
       }
     },
     replaceChannelMsg(state, action) {
       const { id, localMid, serverMid } = action.payload;
       if (state[id]) {
-        const localIdx = state[id].findIndex((i) => i == localMid);
+        const localIdx = state[id]!.findIndex((i) => i == localMid);
         if (localIdx > -1 && serverMid) {
           // 存在 则再删除
-          state[id].splice(localIdx, 1, serverMid);
+          state[id]!.splice(localIdx, 1, serverMid);
         }
       }
     },
-    removeChannelSession(state, action) {
+    removeChannelSession(state, action: PayloadAction<number | number[]>) {
       const ids = Array.isArray(action.payload) ? action.payload : [action.payload];
       ids.forEach((id) => {
         delete state[id];
@@ -50,6 +57,7 @@ const channelMsgSlice = createSlice({
     }
   }
 });
+
 export const {
   removeChannelSession,
   resetChannelMsg,
@@ -58,4 +66,5 @@ export const {
   removeChannelMsg,
   replaceChannelMsg
 } = channelMsgSlice.actions;
+
 export default channelMsgSlice.reducer;
diff --git a/src/app/slices/message.file.js b/src/app/slices/message.file.ts
similarity index 74%
rename from src/app/slices/message.file.js
rename to src/app/slices/message.file.ts
index 01d5515e..9594a284 100644
--- a/src/app/slices/message.file.js
+++ b/src/app/slices/message.file.ts
@@ -1,6 +1,7 @@
-import { createSlice } from "@reduxjs/toolkit";
+import { createSlice, PayloadAction } from '@reduxjs/toolkit';
+
+const initialState: number[] = [];
 
-const initialState = [];
 const fileMessageSlice = createSlice({
   name: "fileMessage",
   initialState,
@@ -8,10 +9,10 @@ const fileMessageSlice = createSlice({
     resetFileMessage() {
       return initialState;
     },
-    fullfillFileMessage(state, action) {
+    fullfillFileMessage(state, action: PayloadAction<number[]>) {
       return action.payload || [];
     },
-    addFileMessage(state, action) {
+    addFileMessage(state, action: PayloadAction<number>) {
       const mid = action.payload;
       // 加入file message 列表
       const fidIdx = state.findIndex((fid) => fid == mid);
@@ -19,7 +20,7 @@ const fileMessageSlice = createSlice({
         state.unshift(+mid);
       }
     },
-    removeFileMessage(state, action) {
+    removeFileMessage(state, action: PayloadAction<number | number[]>) {
       const mids = Array.isArray(action.payload) ? action.payload : [action.payload];
       mids.forEach((id) => {
         // 从file message 列表删掉
@@ -31,6 +32,8 @@ const fileMessageSlice = createSlice({
     }
   }
 });
+
 export const { removeFileMessage, resetFileMessage, fullfillFileMessage, addFileMessage } =
   fileMessageSlice.actions;
+
 export default fileMessageSlice.reducer;
diff --git a/src/app/slices/message.reaction.js b/src/app/slices/message.reaction.ts
similarity index 69%
rename from src/app/slices/message.reaction.js
rename to src/app/slices/message.reaction.ts
index 44d40b46..80bd9550 100644
--- a/src/app/slices/message.reaction.js
+++ b/src/app/slices/message.reaction.ts
@@ -1,6 +1,13 @@
-import { createSlice } from "@reduxjs/toolkit";
+import { createSlice, PayloadAction } from '@reduxjs/toolkit';
 
-const initialState = {};
+// todo: check entity type
+export interface State {
+  [mid: number]: {
+    [reaction: number]: number[]
+  } | undefined;
+}
+
+const initialState: State = {};
 const reactionMessageSlice = createSlice({
   name: "reactionMessage",
   initialState,
@@ -8,10 +15,10 @@ const reactionMessageSlice = createSlice({
     resetReactionMessage() {
       return initialState;
     },
-    fullfillReactionMessage(state, action) {
+    fullfillReactionMessage(state, action: PayloadAction<State>) {
       return action.payload;
     },
-    removeReactionMessage(state, action) {
+    removeReactionMessage(state, action: PayloadAction<number | number[]>) {
       const mids = Array.isArray(action.payload) ? action.payload : [action.payload];
       mids.forEach((id) => {
         delete state[id];
@@ -20,39 +27,40 @@ const reactionMessageSlice = createSlice({
     toggleReactionMessage(state, action) {
       // rid: reaction's mid, mid: which message append to
       const { from_uid, mid, rid, action: reaction } = action.payload;
-      console.log("msg reaction", mid, from_uid, reaction);
       const ridExisted = state[rid] || false;
       // 已经塞过了
       if (ridExisted) return;
-      console.log("ssss");
       // 还未塞过任何一表情
       if (!state[mid]) {
         state[mid] = {};
       }
       // 存在该表情数据
-      if (state[mid][reaction]) {
-        const reactionUids = state[mid][reaction];
+      if (state[mid]![reaction]) {
+        const reactionUids = state[mid]![reaction];
         const idx = reactionUids.findIndex((id) => id == from_uid);
         if (idx > -1) {
           reactionUids.splice(idx, 1);
           if (reactionUids.length == 0) {
             // 没有表情了
-            delete state[mid][reaction];
+            delete state[mid]![reaction];
           }
         } else {
           reactionUids.push(from_uid);
         }
       } else {
-        state[mid][reaction] = [from_uid];
+        state[mid]![reaction] = [from_uid];
       }
+      // todo: ???
       state[rid] = true;
     }
   }
 });
+
 export const {
   removeReactionMessage,
   resetReactionMessage,
   fullfillReactionMessage,
   toggleReactionMessage
 } = reactionMessageSlice.actions;
+
 export default reactionMessageSlice.reducer;
diff --git a/src/app/slices/message.js b/src/app/slices/message.ts
similarity index 96%
rename from src/app/slices/message.js
rename to src/app/slices/message.ts
index c92f6efa..8105240c 100644
--- a/src/app/slices/message.js
+++ b/src/app/slices/message.ts
@@ -1,9 +1,15 @@
 import { createSlice } from "@reduxjs/toolkit";
 import BASE_URL, { ContentTypes } from "../config";
 import { isImage } from "../../common/utils";
-const initialState = {
+
+export interface State {
+  replying: {};
+}
+
+const initialState: State = {
   replying: {}
 };
+
 const messageSlice = createSlice({
   name: "message",
   initialState,
@@ -66,6 +72,7 @@ const messageSlice = createSlice({
     }
   }
 });
+
 export const {
   resetMessage,
   fullfillMessage,
@@ -76,4 +83,5 @@ export const {
   addReplyingMessage,
   removeReplyingMessage
 } = messageSlice.actions;
+
 export default messageSlice.reducer;
diff --git a/src/app/slices/message.user.js b/src/app/slices/message.user.ts
similarity index 87%
rename from src/app/slices/message.user.js
rename to src/app/slices/message.user.ts
index cc925d1b..e568e8d0 100644
--- a/src/app/slices/message.user.js
+++ b/src/app/slices/message.user.ts
@@ -1,8 +1,16 @@
-import { createSlice } from "@reduxjs/toolkit";
-const initialState = {
+import { createSlice, PayloadAction } from '@reduxjs/toolkit';
+
+export interface State {
+  ids: string[];
+  // todo: check object type
+  byId: { [id: number]: any; };
+}
+
+const initialState: State = {
   ids: [],
   byId: {}
 };
+
 const userMsgSlice = createSlice({
   name: "userMessage",
   initialState,
@@ -10,7 +18,7 @@ const userMsgSlice = createSlice({
     resetUserMsg() {
       return initialState;
     },
-    fullfillUserMsg(state, action) {
+    fullfillUserMsg(state, action: PayloadAction<{ [id: string]: any; }>) {
       state.ids = Object.keys(action.payload);
       state.byId = action.payload;
     },
diff --git a/src/app/slices/server.js b/src/app/slices/server.ts
similarity index 100%
rename from src/app/slices/server.js
rename to src/app/slices/server.ts
diff --git a/src/app/slices/ui.js b/src/app/slices/ui.ts
similarity index 85%
rename from src/app/slices/ui.js
rename to src/app/slices/ui.ts
index f1302672..b3304254 100644
--- a/src/app/slices/ui.js
+++ b/src/app/slices/ui.ts
@@ -1,6 +1,28 @@
-import { createSlice } from "@reduxjs/toolkit";
+import { createSlice, PayloadAction } from "@reduxjs/toolkit";
 import { Views } from "../config";
-const initialState = {
+
+export interface State {
+  online: boolean;
+  ready: boolean;
+  userGuide: {
+    visible: boolean;
+    step: number;
+  };
+  inputMode: "text";
+  menuExpand: boolean;
+  // todo
+  fileListView: string;
+  uploadFiles: { [key: string]: any };
+  selectMessages: { [key: string]: any };
+  draftMarkdown: { [key: string]: any };
+  draftMixedText: { [key: string]: any };
+  remeberedNavs: {
+    chat: null | string;
+    contact: null | string;
+  };
+}
+
+const initialState: State = {
   online: true,
   ready: false,
   userGuide: {
@@ -14,11 +36,13 @@ const initialState = {
   selectMessages: {},
   draftMarkdown: {},
   draftMixedText: {},
+  // todo: typo
   remeberedNavs: {
     chat: null,
     contact: null
   }
 };
+
 const uiSlice = createSlice({
   name: "ui",
   initialState,
@@ -41,7 +65,7 @@ const uiSlice = createSlice({
     updateFileListView(state, action) {
       state.fileListView = action.payload;
     },
-    updateRemeberedNavs(state, action) {
+    updateRemeberedNavs(state, action: PayloadAction<{ key?: string; path: string | null }>) {
       const { key = "chat", path = null } = action.payload || {};
       state.remeberedNavs[key] = path;
     },
@@ -59,7 +83,6 @@ const uiSlice = createSlice({
         state.userGuide[key] = obj[key];
       });
     },
-
     updateUploadFiles(state, action) {
       const { context = "channel", id = null, operation = "add", ...rest } = action.payload;
       if (!id || !context) return;
@@ -144,6 +167,7 @@ const uiSlice = createSlice({
     }
   }
 });
+
 export const {
   fullfillUI,
   setReady,
@@ -158,4 +182,5 @@ export const {
   updateDraftMixedText,
   updateRemeberedNavs
 } = uiSlice.actions;
+
 export default uiSlice.reducer;
diff --git a/src/routes/404/index.js b/src/routes/404/index.tsx
similarity index 81%
rename from src/routes/404/index.js
rename to src/routes/404/index.tsx
index 8860bb46..d409e09a 100644
--- a/src/routes/404/index.js
+++ b/src/routes/404/index.tsx
@@ -1,4 +1,3 @@
-// import React from 'react';
 import StyledWrapper from "./styled";
 
 export default function NotFoundPage() {
diff --git a/src/routes/404/styled.js b/src/routes/404/styled.tsx
similarity index 99%
rename from src/routes/404/styled.js
rename to src/routes/404/styled.tsx
index ccbe2286..36b3ee08 100644
--- a/src/routes/404/styled.js
+++ b/src/routes/404/styled.tsx
@@ -1,4 +1,5 @@
 import styled from "styled-components";
+
 const StyledWrapper = styled.div`
   display: flex;
 `;
diff --git a/src/routes/invite/index.tsx b/src/routes/invite/index.tsx
index 3da0d8b2..6b02cd0c 100644
--- a/src/routes/invite/index.tsx
+++ b/src/routes/invite/index.tsx
@@ -1,17 +1,17 @@
-import { useState, useEffect, ChangeEvent, FormEvent } from 'react';
-import { Navigate } from 'react-router-dom';
-import toast from 'react-hot-toast';
-import { useSelector } from 'react-redux';
-import StyledWrapper from './styled';
-import BASE_URL from '../../app/config';
-import { useRegisterMutation } from '../../app/services/contact';
-import { useCheckInviteTokenValidMutation } from '../../app/services/auth';
+import { useState, useEffect, ChangeEvent, FormEvent } from "react";
+import { Navigate } from "react-router-dom";
+import toast from "react-hot-toast";
+import StyledWrapper from "./styled";
+import BASE_URL from "../../app/config";
+import { useRegisterMutation } from "../../app/services/contact";
+import { useCheckInviteTokenValidMutation } from "../../app/services/auth";
+import { useAppSelector } from "../../app/store";
 
 export default function InvitePage() {
-  const { token: loginToken } = useSelector((store) => store.authData);
-  const [secondPwd, setSecondPwd] = useState('');
+  const { token: loginToken } = useAppSelector((store) => store.authData);
+  const [secondPwd, setSecondPwd] = useState("");
   const [samePwd, setSamePwd] = useState(true);
-  const [token, setToken] = useState<string | null>('');
+  const [token, setToken] = useState<string | null>("");
   const [valid, setValid] = useState(false);
   // const [sp] = useSearchParams();
   // const navigateTo = useNavigate();
@@ -22,7 +22,7 @@ export default function InvitePage() {
   useEffect(() => {
     // console.log(search);
     const query = new URLSearchParams(location.search);
-    setToken(query.get('token'));
+    setToken(query.get("token"));
   }, []);
 
   useEffect(() => {
@@ -40,15 +40,15 @@ export default function InvitePage() {
     }
   }, [checkSuccess, isValid]);
 
-  const [input, setInput] = useState({ name: '', email: '', password: '' });
+  const [input, setInput] = useState({ name: "", email: "", password: "" });
 
   const handleReg = (evt: FormEvent<HTMLFormElement>) => {
     evt.preventDefault();
     if (!samePwd) {
-      toast.error('two passwords not same');
+      toast.error("two passwords not same");
       return;
     }
-    console.log('wtf', input);
+    console.log("wtf", input);
     register({
       ...input,
       magic_token: token,
@@ -79,53 +79,53 @@ export default function InvitePage() {
 
   useEffect(() => {
     if (!samePwd) {
-      toast.error('two passwords not same');
+      toast.error("two passwords not same");
     }
   }, [samePwd]);
 
   useEffect(() => {
     if (isSuccess && data) {
       // 去登录
-      toast.success('register success, login please');
+      toast.success("register success, login please");
       setTimeout(() => {
         location.href = `/#/login`;
         // navigateTo("/login",);
       }, 500);
     } else if (isError) {
-      console.log('register failed', error);
+      console.log("register failed", error);
       switch (error.status) {
         case 400:
-          toast.error('Register Failed: please check inputs');
+          toast.error("Register Failed: please check inputs");
           break;
         case 412:
-          toast.error('Register Failed: invalid token or expired');
+          toast.error("Register Failed: invalid token or expired");
           break;
         case 409: {
           const tips = {
-            email_conflict: 'email conflict',
-            name_conflict: 'name conflict'
+            email_conflict: "email conflict",
+            name_conflict: "name conflict"
           };
           toast.error(`Register Failed: ${tips[error.data?.reason]}`);
           break;
         }
         default:
-          toast.error('Register Failed');
+          toast.error("Register Failed");
           break;
       }
     }
   }, [data, isSuccess, isError, error]);
 
   const { email, password, name } = input;
-  if (loginToken) return <Navigate replace to="/"/>;
-  if (!token) return 'token not found';
-  if (checkLoading) return 'checking token valid';
-  if (!valid) return 'invite token expires or invalid';
+  if (loginToken) return <Navigate replace to="/" />;
+  if (!token) return "token not found";
+  if (checkLoading) return "checking token valid";
+  if (!valid) return "invite token expires or invalid";
 
   return (
     <StyledWrapper>
       <div className="form animate__animated animate__fadeInDown animate__faster">
         <div className="tips">
-          <img src={`${BASE_URL}/resource/organization/logo`} alt="logo" className="logo"/>
+          <img src={`${BASE_URL}/resource/organization/logo`} alt="logo" className="logo" />
           <h2 className="title">Sign Up to Rustchat</h2>
           <span className="desc">Please enter your details.</span>
         </div>
diff --git a/src/types/auth.ts b/src/types/auth.ts
new file mode 100644
index 00000000..7277059e
--- /dev/null
+++ b/src/types/auth.ts
@@ -0,0 +1,28 @@
+
+export interface AuthToken {
+  // common
+  server_id: string;
+  token: string;
+  refresh_token: string;
+  expired_in: number;
+}
+
+// todo: check gender values
+export type Gender = 0 | 1;
+
+export interface User {
+  // avatar: string; // todo: check transform data in redux slice
+  uid: number;
+  email: string;
+  name: string;
+  gender: Gender;
+  language: string;
+  is_admin: boolean;
+  avatar_updated_at: number;
+  create_by: string;
+}
+
+export interface AuthData extends AuthToken {
+  initialized?: boolean;
+  user: User;
+}
diff --git a/src/types/channel.ts b/src/types/channel.ts
index c90176c3..124bee86 100644
--- a/src/types/channel.ts
+++ b/src/types/channel.ts
@@ -3,6 +3,11 @@ export interface ChannelMember {
 
 }
 
+// todo: check message fields
+export interface ChannelMessage {
+  mid: number;
+}
+
 export type ContentType =
   'text/plain' |
   'text/markdown' |
@@ -22,7 +27,7 @@ export interface PinnedMessage {
 
 export interface Channel {
   gid: number;
-  icon: string; // added by frontend
+  // icon: string; // todo: check
   owner: number;
   name: string;
   description: string;
diff --git a/src/types/common.ts b/src/types/common.ts
new file mode 100644
index 00000000..5e631bd5
--- /dev/null
+++ b/src/types/common.ts
@@ -0,0 +1,3 @@
+export interface EntityId {
+  id: number;
+}
diff --git a/src/types/global.d.ts b/src/types/global.d.ts
index 36442c00..23623814 100644
--- a/src/types/global.d.ts
+++ b/src/types/global.d.ts
@@ -1,7 +1,8 @@
+import { PrecacheEntry } from "workbox-precaching/src/_types";
 
 export declare global {
   interface Window {
-    __WB_MANIFEST: any; // todo
-    skipWaiting: any; // todo
+    __WB_MANIFEST: Array<PrecacheEntry | string>;
+    skipWaiting: () => void;
   }
 }
diff --git a/src/types/sse.ts b/src/types/sse.ts
index c716f52c..51d630e0 100644
--- a/src/types/sse.ts
+++ b/src/types/sse.ts
@@ -1,70 +1,138 @@
-// todo
-interface ReadyEvent {
-  type: 'ready'
+import { User } from './auth';
+import { Channel, ContentType } from './channel';
+
+export interface ReadyEvent {
+  type: 'ready';
 }
 
-interface UsersSnapshotEvent {
-  type: 'users_snapshot'
+export interface UsersSnapshotEvent {
+  type: 'users_snapshot';
+  users: User[];
+  version: number;
 }
 
-interface UsersLogEvent {
-  type: 'users_log'
+// todo: check if create_by field exists
+export interface UserLog extends Omit<User, 'create_by'> {
+  log_id: number;
+  action: 'create' | 'update' | 'delete';
 }
 
-interface UsersStateEvent {
-  type: 'users_state'
+export interface UsersLogEvent {
+  type: 'users_log';
+  logs: UserLog[];
 }
 
-interface UsersStateChangedEvent {
-  type: 'users_state_changed'
+export interface UserState {
+  uid: number;
+  online: boolean;
+}
+
+export interface UsersStateEvent {
+  type: 'users_state';
+  users: UserState[];
+}
+
+interface UsersStateChangedEvent extends UserState{
+  type: 'users_state_changed';
 }
 
 interface UserSettingsEvent {
-  type: 'user_settings'
+  type: 'user_settings';
+  mute_users?: { uid: number; expired_at: number; }[];
+  mute_groups?: { gid: number; expired_at: number; }[];
+  read_index_users?: { uid: number; mid: number; }[];
+  read_index_groups?: { gid: number; mid: number; }[];
+  burn_after_reading_users?: { uid: number; expires_in: number; }[];
+  burn_after_reading_groups?: { gid: number; expires_in: number; }[];
 }
 
 interface UserSettingsChangedEvent {
-  type: 'user_settings_changed'
+  type: 'user_settings_changed';
+  from_device?: string;
+  add_mute_users?: { uid: number; expired_at: number; }[];
+  remove_mute_users?: number[];
+  add_mute_groups?: { gid: number; expired_at: number; }[];
+  remove_mute_groups?: number[];
+  read_index_users?: { uid: number; mid: number; }[];
+  read_index_groups?: { gid: number; mid: number; }[];
+  burn_after_reading_users?: { uid: number; expires_in: number; }[];
+  burn_after_reading_groups?: { gid: number; expires_in: number; }[];
 }
 
 interface RelatedGroupsEvent {
-  type: 'related_groups'
+  type: 'related_groups';
+  groups: Channel[];
 }
 
 interface ChatEvent {
-  type: 'chat'
+  type: 'chat';
+  mid: number;
+  from_uid: number;
+  created_at: number;
+  target: { uid: number };
+  detail: {
+    properties: {};
+    content: string;
+    content_type: ContentType;
+    expires_in: number;
+    type: 'normal';
+  };
 }
 
 interface KickEvent {
-  type: 'kick'
+  type: 'kick';
+  reason: string;
 }
 
 interface UserJoinedGroupEvent {
-  type: 'user_joined_group'
+  type: 'user_joined_group';
+  gid: number;
+  uid: number[];
 }
 
 interface UserLeavedGroupEvent {
-  type: 'user_leaved_group'
+  type: 'user_leaved_group';
+  gid: number;
+  uid: number[];
 }
 
 interface JoinedGroupEvent {
-  type: 'joined_group'
+  type: 'joined_group';
+  group: Channel;
 }
 
 interface KickFromGroupEvent {
-  type: 'kick_from_group'
+  type: 'kick_from_group';
+  gid: number;
+  reason: string;
 }
 
 interface GroupChangedEvent {
-  type: 'group_changed'
+  type: 'group_changed';
+  gid: number;
+  name: string;
+  description: string;
+  owner: number;
+  avatar_updated_at: number;
 }
 
 interface PinnedMessageUpdatedEvent {
-  type: 'pinned_message_updated'
+  type: 'pinned_message_updated';
+  gid: number;
+  mid: number;
+  msg: {
+    mid: number;
+    created_by: number;
+    created_at: number;
+    properties: {};
+    content: string;
+    content_type: ContentType;
+  }
 }
 
 interface HeartbeatEvent {
-  type: 'heartbeat'
+  type: 'heartbeat';
+  time: number;
 }
 
 export type ServerEvent = ReadyEvent |