diff --git a/src/store/chat.ts b/src/store/chat.ts
deleted file mode 100644
index bab414e..0000000
--- a/src/store/chat.ts
+++ /dev/null
@@ -1,26 +0,0 @@
-import { IApplication } from '@/operators';
-import { Module } from 'vuex';
-import { IChatState, Status } from './models';
-
-export const chat: Module<IChatState, any> = {
-  namespaced: true,
-  state(): IChatState {
-    return {
-      applications: undefined,
-      applicationsStatus: undefined
-    };
-  },
-  mutations: {
-    setApplications(state: IChatState, payload: IApplication[]): void {
-      state.applications = payload;
-    },
-    setApplicationsStatus(state: IChatState, payload: Status): void {
-      state.applicationsStatus = payload;
-    }
-  },
-  actions: {
-    async setApplications({ commit }: any, payload: IApplication[]) {
-      commit('setApplications', payload);
-    }
-  }
-};
diff --git a/src/store/chat/actions.ts b/src/store/chat/actions.ts
new file mode 100644
index 0000000..51c58f3
--- /dev/null
+++ b/src/store/chat/actions.ts
@@ -0,0 +1,9 @@
+import { IApplication } from '@/operators';
+
+export const setApplications = async ({ commit }: any, payload: IApplication[]) => {
+  commit('setApplications', payload);
+};
+
+export default {
+  setApplications
+};
diff --git a/src/store/chat/index.ts b/src/store/chat/index.ts
new file mode 100644
index 0000000..d0f59a1
--- /dev/null
+++ b/src/store/chat/index.ts
@@ -0,0 +1,14 @@
+import { Module } from 'vuex';
+import { IChatState } from './models';
+import state from './state';
+import actions from './actions';
+import mutations from './mutations';
+
+export const chat: Module<IChatState, any> = {
+  namespaced: true,
+  state,
+  mutations,
+  actions
+};
+
+export default chat;
diff --git a/src/store/chat/models.ts b/src/store/chat/models.ts
new file mode 100644
index 0000000..86c553d
--- /dev/null
+++ b/src/store/chat/models.ts
@@ -0,0 +1,7 @@
+import { IApplication } from '@/operators';
+import { Status } from '../common/models';
+
+export interface IChatState {
+  applications: IApplication[] | undefined;
+  applicationsStatus: Status | undefined;
+}
diff --git a/src/store/chat/mutations.ts b/src/store/chat/mutations.ts
new file mode 100644
index 0000000..0757fc9
--- /dev/null
+++ b/src/store/chat/mutations.ts
@@ -0,0 +1,16 @@
+import { IApplication } from '@/operators';
+import { IChatState } from './models';
+import { Status } from '../common/models';
+
+export const setApplications = (state: IChatState, payload: IApplication[]): void => {
+  state.applications = payload;
+};
+
+export const setApplicationsStatus = (state: IChatState, payload: Status): void => {
+  state.applicationsStatus = payload;
+};
+
+export default {
+  setApplications,
+  setApplicationsStatus
+};
diff --git a/src/store/chat/state.ts b/src/store/chat/state.ts
new file mode 100644
index 0000000..0f986ff
--- /dev/null
+++ b/src/store/chat/state.ts
@@ -0,0 +1,8 @@
+import { IChatState } from './models';
+
+export default (): IChatState => {
+  return {
+    applications: undefined,
+    applicationsStatus: undefined
+  };
+};
diff --git a/src/store/common.ts b/src/store/common.ts
deleted file mode 100644
index da941a8..0000000
--- a/src/store/common.ts
+++ /dev/null
@@ -1,79 +0,0 @@
-import { ENDPOINT } from '@/constants';
-import { IApplication, IUser } from '@/operators';
-import { ActionContext, Module } from 'vuex';
-import { ICommonState, IRootState, ISetting, IToken } from './models';
-
-export const common: Module<ICommonState, IRootState> = {
-  namespaced: true,
-  state(): ICommonState {
-    return {
-      user: {},
-      token: {
-        access: undefined,
-        refresh: undefined
-      },
-      setting: {
-        endpoint: ENDPOINT,
-        stream: false
-      },
-      applications: undefined
-    };
-  },
-  mutations: {
-    setUser(state: ICommonState, payload: IUser): void {
-      state.user = {
-        ...state.user,
-        ...payload
-      };
-    },
-    setToken(state: ICommonState, payload: IToken): void {
-      state.token = {
-        ...state.token,
-        ...payload
-      };
-    },
-    resetToken(state: ICommonState): void {
-      state.token = {};
-    },
-    setSetting(state: ICommonState, payload: ISetting): void {
-      state.setting = {
-        ...state.setting,
-        ...payload
-      };
-    },
-    setApplications(state: ICommonState, payload: IApplication[]): void {
-      state.applications = payload;
-    }
-  },
-  actions: {
-    resetToken({ commit }: ActionContext<ICommonState, IRootState>) {
-      commit('resetToken');
-    },
-    setToken({ commit }: ActionContext<ICommonState, IRootState>, payload: IToken) {
-      commit('setToken', payload);
-    },
-    setUser({ commit }: ActionContext<ICommonState, IRootState>, payload: IUser) {
-      commit('setUser', payload);
-    },
-    setApplications({ commit }: ActionContext<ICommonState, IRootState>, payload: IApplication[]) {
-      commit('setApplications', payload);
-    }
-  },
-  getters: {
-    authenticated(state: ICommonState): boolean {
-      return !!state.token.access;
-    },
-    user(state: ICommonState): IUser {
-      return state.user;
-    },
-    token(state: ICommonState): IToken {
-      return state.token;
-    },
-    setting(state: ICommonState): ISetting {
-      return state.setting;
-    },
-    applications(state: ICommonState): IApplication[] | undefined {
-      return state.applications;
-    }
-  }
-};
diff --git a/src/store/common/actions.ts b/src/store/common/actions.ts
new file mode 100644
index 0000000..c1f86e7
--- /dev/null
+++ b/src/store/common/actions.ts
@@ -0,0 +1,26 @@
+import { ActionContext } from 'vuex';
+import { IRootState, IToken } from '../common/models';
+import { IApplication, IUser } from '@/operators';
+
+export const resetToken = ({ commit }: ActionContext<IRootState, IRootState>) => {
+  commit('resetToken');
+};
+
+export const setToken = ({ commit }: ActionContext<IRootState, IRootState>, payload: IToken) => {
+  commit('setToken', payload);
+};
+
+export const setUser = ({ commit }: ActionContext<IRootState, IRootState>, payload: IUser) => {
+  commit('setUser', payload);
+};
+
+export const setApplications = ({ commit }: ActionContext<IRootState, IRootState>, payload: IApplication[]) => {
+  commit('setApplications', payload);
+};
+
+export default {
+  resetToken,
+  setToken,
+  setUser,
+  setApplications
+};
diff --git a/src/store/common/getters.ts b/src/store/common/getters.ts
new file mode 100644
index 0000000..ab8ccde
--- /dev/null
+++ b/src/store/common/getters.ts
@@ -0,0 +1,29 @@
+import { IRootState } from './models';
+
+export const authenticated = (state: IRootState): boolean => {
+  return !!state.token.access;
+};
+
+export const user = (state: IRootState): any => {
+  return state.user;
+};
+
+export const token = (state: IRootState): any => {
+  return state.token;
+};
+
+export const setting = (state: IRootState): any => {
+  return state.setting;
+};
+
+export const applications = (state: IRootState): any => {
+  return state.applications;
+};
+
+export default {
+  authenticated,
+  user,
+  token,
+  setting,
+  applications
+};
diff --git a/src/store/common/index.ts b/src/store/common/index.ts
new file mode 100644
index 0000000..6a2f446
--- /dev/null
+++ b/src/store/common/index.ts
@@ -0,0 +1,11 @@
+import state from './state';
+import mutations from './mutations';
+import actions from './actions';
+import getters from './getters';
+
+export default {
+  state,
+  mutations,
+  actions,
+  getters
+};
diff --git a/src/store/common/models.ts b/src/store/common/models.ts
new file mode 100644
index 0000000..aab78e2
--- /dev/null
+++ b/src/store/common/models.ts
@@ -0,0 +1,31 @@
+import { IApplication, IUser } from '@/operators';
+import { IMidjourneyState } from '../midjourney/models';
+import { IChatState } from '../chat/models';
+
+export enum Status {
+  Request = 'Request',
+  Success = 'Success',
+  Error = 'Error'
+}
+
+export interface IToken {
+  access?: string;
+  refresh?: string;
+}
+
+export interface ISetting {
+  stream?: boolean;
+  endpoint?: string;
+}
+
+export interface ICommonState {
+  token: IToken;
+  user: IUser;
+  setting: ISetting;
+  applications: IApplication[] | undefined;
+}
+
+export interface IRootState extends ICommonState {
+  midjourney?: IMidjourneyState;
+  chat?: IChatState;
+}
diff --git a/src/store/common/mutations.ts b/src/store/common/mutations.ts
new file mode 100644
index 0000000..ec1d0a2
--- /dev/null
+++ b/src/store/common/mutations.ts
@@ -0,0 +1,39 @@
+import { IUser } from '@/operators';
+import { IRootState } from './models';
+
+export const setUser = (state: IRootState, payload: IUser): void => {
+  state.user = {
+    ...state.user,
+    ...payload
+  };
+};
+
+export const setToken = (state: IRootState, payload: any): void => {
+  state.token = {
+    ...state.token,
+    ...payload
+  };
+};
+
+export const resetToken = (state: IRootState): void => {
+  state.token = {};
+};
+
+export const setSetting = (state: IRootState, payload: any): void => {
+  state.setting = {
+    ...state.setting,
+    ...payload
+  };
+};
+
+export const setApplications = (state: IRootState, payload: any): void => {
+  state.applications = payload;
+};
+
+export default {
+  setUser,
+  setToken,
+  resetToken,
+  setSetting,
+  setApplications
+};
diff --git a/src/store/common/state.ts b/src/store/common/state.ts
new file mode 100644
index 0000000..efc9f16
--- /dev/null
+++ b/src/store/common/state.ts
@@ -0,0 +1,17 @@
+import { ENDPOINT } from '@/constants';
+import { IRootState } from './models';
+
+export default (): IRootState => {
+  return {
+    user: {},
+    token: {
+      access: undefined,
+      refresh: undefined
+    },
+    setting: {
+      endpoint: ENDPOINT,
+      stream: false
+    },
+    applications: undefined
+  };
+};
diff --git a/src/store/index.ts b/src/store/index.ts
index 0357f3e..4809475 100644
--- a/src/store/index.ts
+++ b/src/store/index.ts
@@ -1,12 +1,12 @@
 import { createStore, ActionContext } from 'vuex';
 import createPersistedState from 'vuex-persistedstate';
-import { common } from './common';
-import { midjourney } from './midjourney';
-import { chat } from './chat';
+import midjourney from './midjourney';
+import chat from './chat';
+import root from './common';
 
 const store = createStore({
+  ...root,
   modules: {
-    common,
     midjourney,
     chat
   },
diff --git a/src/store/midjourney.ts b/src/store/midjourney.ts
deleted file mode 100644
index 18c142d..0000000
--- a/src/store/midjourney.ts
+++ /dev/null
@@ -1,29 +0,0 @@
-import { IApplication, IMidjourneyPreset } from '@/operators';
-import { Module } from 'vuex';
-import { IMidjourneyState } from './models';
-
-export const midjourney: Module<IMidjourneyState, any> = {
-  namespaced: true,
-  state(): IMidjourneyState {
-    return {
-      applications: undefined,
-      preset: {}
-    };
-  },
-  mutations: {
-    setApplications(state: IMidjourneyState, payload: IApplication[]): void {
-      state.applications = payload;
-    },
-    setPreset(state: IMidjourneyState, payload: IMidjourneyPreset): void {
-      state.preset = payload;
-    }
-  },
-  actions: {
-    setPreset({ commit }: any, payload: IMidjourneyPreset) {
-      commit('setPreset', payload);
-    },
-    setApplications({ commit }: any, payload: IApplication[]) {
-      commit('setApplications', payload);
-    }
-  }
-};
diff --git a/src/store/midjourney/actions.ts b/src/store/midjourney/actions.ts
new file mode 100644
index 0000000..4cf1e70
--- /dev/null
+++ b/src/store/midjourney/actions.ts
@@ -0,0 +1,14 @@
+import { IApplication, IMidjourneyPreset } from '@/operators';
+
+export const setPreset = ({ commit }: any, payload: IMidjourneyPreset) => {
+  commit('setPreset', payload);
+};
+
+export const setApplications = ({ commit }: any, payload: IApplication[]) => {
+  commit('setApplications', payload);
+};
+
+export default {
+  setPreset,
+  setApplications
+};
diff --git a/src/store/midjourney/index.ts b/src/store/midjourney/index.ts
new file mode 100644
index 0000000..b4988df
--- /dev/null
+++ b/src/store/midjourney/index.ts
@@ -0,0 +1,18 @@
+import { Module } from 'vuex';
+import { IMidjourneyState } from './models';
+import actions from './actions';
+import mutations from './mutations';
+
+export const midjourney: Module<IMidjourneyState, any> = {
+  namespaced: true,
+  state(): IMidjourneyState {
+    return {
+      applications: undefined,
+      preset: {}
+    };
+  },
+  mutations,
+  actions
+};
+
+export default midjourney;
diff --git a/src/store/midjourney/models.ts b/src/store/midjourney/models.ts
new file mode 100644
index 0000000..bb6fcc5
--- /dev/null
+++ b/src/store/midjourney/models.ts
@@ -0,0 +1,6 @@
+import { IApplication, IMidjourneyPreset } from '@/operators';
+
+export interface IMidjourneyState {
+  applications: IApplication[] | undefined;
+  preset: IMidjourneyPreset;
+}
diff --git a/src/store/midjourney/mutations.ts b/src/store/midjourney/mutations.ts
new file mode 100644
index 0000000..8bd645d
--- /dev/null
+++ b/src/store/midjourney/mutations.ts
@@ -0,0 +1,15 @@
+import { IApplication } from '@/operators';
+import { IMidjourneyState } from './models';
+
+export const setApplications = (state: IMidjourneyState, payload: IApplication[]): void => {
+  state.applications = payload;
+};
+
+export const setPreset = (state: IMidjourneyState, payload: any): void => {
+  state.preset = payload;
+};
+
+export default {
+  setApplications,
+  setPreset
+};
diff --git a/src/store/models.ts b/src/store/models.ts
deleted file mode 100644
index 0d97047..0000000
--- a/src/store/models.ts
+++ /dev/null
@@ -1,40 +0,0 @@
-import { IApplication, IMidjourneyPreset, IUser } from '@/operators';
-
-export enum Status {
-  Request = 'Request',
-  Success = 'Success',
-  Error = 'Error'
-}
-
-export interface IToken {
-  access?: string;
-  refresh?: string;
-}
-
-export interface ISetting {
-  stream?: boolean;
-  endpoint?: string;
-}
-
-export interface ICommonState {
-  token: IToken;
-  user: IUser;
-  setting: ISetting;
-  applications: IApplication[] | undefined;
-}
-
-export interface IMidjourneyState {
-  applications: IApplication[] | undefined;
-  preset: IMidjourneyPreset;
-}
-
-export interface IChatState {
-  applications: IApplication[] | undefined;
-  applicationsStatus: Status | undefined;
-}
-
-export interface IRootState {
-  common: ICommonState;
-  midjourney: IMidjourneyState;
-  chat: IChatState;
-}