diff --git a/src/components/baruser/CreditLists.vue b/src/components/baruser/CreditLists.vue
index b312a2d..eab1831 100644
--- a/src/components/baruser/CreditLists.vue
+++ b/src/components/baruser/CreditLists.vue
@@ -275,7 +275,7 @@ export default {
     addAmountMore(user) {
       this.addAmount({
         username: user.username,
-        amount: user.value * 100,
+        amount: Math.abs(user.value * 100),
         user: user
       })
       setTimeout(() => {
diff --git a/src/components/baruser/SearchBar.vue b/src/components/baruser/SearchBar.vue
index b37ece2..db5e54c 100644
--- a/src/components/baruser/SearchBar.vue
+++ b/src/components/baruser/SearchBar.vue
@@ -20,11 +20,28 @@
           </template>
         </v-autocomplete>
         <v-btn text @click="addUser">Hinzufügen</v-btn>
+        <v-btn v-if="!locked" text @click="lock">Sperren</v-btn>
+        <v-btn v-else text @click="overlay = true">Entsperren</v-btn>
         <v-btn @click="clickMenu" icon>
           <v-icon>{{ menuIcon }}</v-icon>
         </v-btn>
       </v-toolbar-items>
     </v-toolbar>
+    <v-dialog v-model="overlay">
+      <v-container>
+        <v-card>
+          <v-card-title>Entsperre Baransicht</v-card-title>
+          <v-card-text>
+            <v-text-field outlined type="password" label="Passwort" v-model="password"></v-text-field>
+          </v-card-text>
+          <v-card-actions>
+            <v-spacer/>
+            <v-btn @click="overlay = false">Abbrechen</v-btn>
+            <v-btn @click="doUnlock">Entsperren</v-btn>
+          </v-card-actions>
+        </v-card>
+      </v-container>
+    </v-dialog>
   </div>
 </template>
 
@@ -40,11 +57,14 @@ export default {
       user: null,
       filter: '',
       search_person: mdiAccountSearch,
-      menuIcon: mdiMenu
+      menuIcon: mdiMenu,
+      overlay: false,
+      password: ''
     }
   },
   created() {
     this.getAllUsers()
+    this.getLocked()
   },
   methods: {
     ...mapActions({
@@ -52,7 +72,10 @@ export default {
       addCreditList: 'barUsers/addCreditList',
       setFilter: 'barUsers/setFilter',
       activateMenu: 'barUsers/activateMenu',
-      deactivateMenu: 'barUsers/deactivateMenu'
+      deactivateMenu: 'barUsers/deactivateMenu',
+      lock: 'barUsers/setLocked',
+      unlock: 'barUsers/unlock',
+      getLocked: 'barUsers/getLocked'
     }),
     addUser() {
       this.addCreditList(this.user)
@@ -61,13 +84,19 @@ export default {
     clickMenu() {
       if (this.menu) this.deactivateMenu()
       else this.activateMenu()
+    },
+    doUnlock() {
+      this.unlock(this.password)
+      this.password = ''
+      this.overlay = false
     }
   },
   computed: {
     ...mapGetters({
       allUsers: 'barUsers/allUsers',
       loading: 'barUsers/allUsersLoading',
-      menu: 'barUsers/menu'
+      menu: 'barUsers/menu',
+      locked: 'barUsers/locked'
     })
   },
   watch: {
diff --git a/src/plugins/routes.js b/src/plugins/routes.js
index 547b80f..fed4a7a 100644
--- a/src/plugins/routes.js
+++ b/src/plugins/routes.js
@@ -54,10 +54,12 @@ const url = {
     deleteTransactJobs: main + 'user/deleteTransactJob',
     storno: main + 'user/storno',
     getAllStatus: main + 'getAllStatus',
-    getStatus: main + 'getStatus'
+    getStatus: main + 'getStatus',
+    valid: main + 'valid'
   },
   barU: {
-    storno: main + 'bar/storno'
+    storno: main + 'bar/storno',
+    lock: main + 'bar/lock'
   },
   gastro: {
     setDrink: main + 'gastro/setDrink',
diff --git a/src/store/modules/barUsers.js b/src/store/modules/barUsers.js
index cacf3ed..7717847 100644
--- a/src/store/modules/barUsers.js
+++ b/src/store/modules/barUsers.js
@@ -8,7 +8,8 @@ const state = {
   usersLoading: false,
   allUsersLoading: false,
   message: [],
-  menu: false
+  menu: false,
+  locked: false
 }
 
 const mutations = {
@@ -116,6 +117,9 @@ const mutations = {
   },
   setMenu: (state, value) => {
     state.menu = value
+  },
+  setLocked: (satet, value) => {
+    state.locked = value
   }
 }
 
@@ -227,6 +231,51 @@ const actions = {
     }
     commit('updateMessage', { date: data.date, loading: false })
   },
+  async getLocked({ commit, rootState, dispatch }) {
+    try {
+      const response = await axios.get(url.barU.lock, {
+        headers: { Token: rootState.login.user.accessToken }
+      })
+      console.log(response.data.value)
+      commit('setLocked', response.data.value)
+    } catch (e) {
+      if (e.response)
+        if (e.response.status === 401) dispatch('logout', null, { root: true })
+    }
+  },
+  async setLocked({ commit, rootState, dispatch }) {
+    try {
+      const response = await axios.post(
+        url.barU.lock,
+        { value: true },
+        { headers: { Token: rootState.login.user.accessToken } }
+      )
+      commit('setLocked', response.data.value)
+    } catch (e) {
+      if (e.response)
+        if (e.response.status === 401) dispatch('logout', null, { root: true })
+    }
+  },
+  async unlock({ commit, rootState, dispatch }, password) {
+    try {
+      const valid = await axios.post(
+        url.user.valid,
+        { password: password },
+        { headers: { Token: rootState.login.user.accessToken } }
+      )
+      if (valid.data.ok === 'ok') {
+        const response = await axios.post(
+          url.barU.lock,
+          { value: false },
+          { headers: { Token: rootState.login.user.accessToken } }
+        )
+        commit('setLocked', response.data.value)
+      }
+    } catch (e) {
+      if (e.response)
+        if (e.response.status === 401) dispatch('logout', null, { root: true })
+    }
+  },
   setFilter({ commit }, data) {
     commit('setFilter', data)
   },
@@ -259,6 +308,9 @@ const getters = {
   },
   menu: state => {
     return state.menu
+  },
+  locked: state => {
+    return state.locked
   }
 }
 
diff --git a/src/views/MainView.vue b/src/views/MainView.vue
index 5540f2a..aeb4aae 100644
--- a/src/views/MainView.vue
+++ b/src/views/MainView.vue
@@ -18,7 +18,7 @@
             {{user.firstname}} {{user.lastname}}
           </v-list-item-title>
         </v-list-item>
-        <v-list-item v-if="isUser" class="title" link to="/main/user/add">
+        <v-list-item :disabled="lockedBar" v-if="isUser" class="title" link to="/main/user/add">
           <v-list-item-icon>
             <v-icon>{{person}}</v-icon>
           </v-list-item-icon>
@@ -32,7 +32,7 @@
             Bar
           </v-list-item-title>
         </v-list-item>
-        <v-list-item v-if="isManagement" class="title" link to="/main/management/servicemanagement">
+        <v-list-item :disabled="lockedBar" v-if="isManagement" class="title" link to="/main/management/servicemanagement">
           <v-list-item-icon>
             <v-icon>{{king}}</v-icon>
           </v-list-item-icon>
@@ -40,7 +40,7 @@
             Vorstand
           </v-list-item-title>
         </v-list-item>
-        <v-list-item v-if="isGastro" class="title" link to="/main/gastro/pricelist">
+        <v-list-item :disabled="lockedBar" v-if="isGastro" class="title" link to="/main/gastro/pricelist">
           <v-list-item-icon>
             <v-icon>{{gastro}}</v-icon>
           </v-list-item-icon>
@@ -48,7 +48,7 @@
             Gastro
           </v-list-item-title>
         </v-list-item>
-        <v-list-item v-if="isFinanzer" class="title" link to="/main/finanzer/overview">
+        <v-list-item :disabled="lockedBar" v-if="isFinanzer" class="title" link to="/main/finanzer/overview">
           <v-list-item-icon>
             <v-icon>{{attach_money}}</v-icon>
           </v-list-item-icon>
@@ -107,7 +107,8 @@ export default {
       isManagement: 'isManagement',
       isLoggedIn: 'isLoggedIn',
       isExtern: 'isExtern',
-      user: 'user'
+      user: 'user',
+      lockedBar: 'barUsers/locked'
     })
   }
 }