diff --git a/src/components/user/AddAmount.vue b/src/components/user/AddAmount.vue
index 84fc5ad..00b90d0 100644
--- a/src/components/user/AddAmount.vue
+++ b/src/components/user/AddAmount.vue
@@ -217,7 +217,7 @@ export default {
       }
     },
     addAmountMore() {
-      this.addAmount(this.value * 100)
+      this.addAmount(Math.abs(this.value * 100))
       setTimeout(() => {
         this.value = null
       }, 300)
diff --git a/src/components/vorstand/UserManager.vue b/src/components/vorstand/UserManager.vue
index aabfe07..976c371 100644
--- a/src/components/vorstand/UserManager.vue
+++ b/src/components/vorstand/UserManager.vue
@@ -42,6 +42,20 @@
                 />
               </v-col>
             </v-row>
+            <v-row>
+              <v-col>
+                <v-autocomplete
+                        chips
+                        multiple
+                  v-model="editedItem.workgroups"
+                  label="AG's"
+                  outlined
+                  :items="workgroups"
+                  item-value="id"
+                  item-text="name"
+                  return-object></v-autocomplete>
+              </v-col>
+            </v-row>
           </v-container>
         </v-card-text>
         <v-card-actions>
@@ -68,6 +82,13 @@
           </v-text-field>
         </v-toolbar>
       </template>
+      <template v-slot:item.workgroups="{item}">
+          <div>
+            <v-chip v-for="group in item.workgroups" :key="group.id" x-small>
+              {{group.name}}
+            </v-chip>
+          </div>
+      </template>
       <template v-slot:item.statusgroup="{ item }">
         {{ computeStatus(item.statusgroup) }}
       </template>
@@ -132,6 +153,7 @@ export default {
       header: [
         { text: 'Nachname', value: 'lastname' },
         { text: 'Vorname(n)', value: 'firstname' },
+        { text: 'AG\'s', value: 'workgroups'},
         { text: 'Status', value: 'statusgroup' },
         { text: 'Stimmrecht', value: 'voting' },
         {
@@ -146,6 +168,7 @@ export default {
         firstname: null,
         lastname: null,
         username: null,
+        workgroups: [],
         statusgroup: {
           id: -1,
           name: null
@@ -158,6 +181,7 @@ export default {
       defaultItem: {
         id: -1,
         username: null,
+        workgroups: [],
         statusgroup: {
           id: -1,
           name: null
@@ -183,7 +207,9 @@ export default {
       getUsers: 'usermanager/getUsers',
       getStatus: 'usermanager/getStatus',
       updateStatusUser: 'usermanager/updateStatusUser',
-      updateVoting: 'usermanager/updateVoting'
+      updateVoting: 'usermanager/updateVoting',
+      updateWorkgroups: 'usermanager/updateWorkgroups',
+      getAllWorkgroups: 'wm/getAllWorkgroups'
     }),
      getWindowWidth() {
         this.isFulllineText = document.documentElement.clientWidth <= 750;
@@ -231,6 +257,7 @@ export default {
     save() {
       this.updateStatusUser({username: this.editedItem.username, status: this.editedItem.statusgroup})
       this.updateVoting({username: this.editedItem.username, voting: this.editedItem.voting.value})
+      this.updateWorkgroups(this.editedItem)
       this.close()
     }
   },
@@ -239,7 +266,8 @@ export default {
       users: 'usermanager/users',
       status: 'usermanager/status',
       usersLoading: 'usermanager/usersLoading',
-      statusLoading: 'usermanager/statusLoading'
+      statusLoading: 'usermanager/statusLoading',
+      workgroups: 'wm/workgroups'
     }),
     computeStatus() {
       return id => {
@@ -263,6 +291,7 @@ export default {
   created() {
     this.getUsers()
     this.getStatus()
+    this.getAllWorkgroups()
   }
 }
 </script>
diff --git a/src/plugins/routes.js b/src/plugins/routes.js
index 4c3994e..118a35e 100644
--- a/src/plugins/routes.js
+++ b/src/plugins/routes.js
@@ -40,7 +40,8 @@ const url = {
       updateStatus: main + 'um/updateStatus',
       deleteStatus: main + 'um/deleteStatus',
       updateStatusUser: main + 'um/updateStatusUser',
-      updateVoting: main + 'um/updateVoting'
+      updateVoting: main + 'um/updateVoting',
+      updateWorkgroups: main + 'um/updateWorkgroups'
     },
     wm: {
       workgroup: main + 'wgm/workgroup',
diff --git a/src/store/modules/userManager.js b/src/store/modules/userManager.js
index d60a75f..c63ec42 100644
--- a/src/store/modules/userManager.js
+++ b/src/store/modules/userManager.js
@@ -25,6 +25,7 @@ const mutations = {
       exists.mail = user.mail
       exists.statusgroup = user.statusgroup
       exists.voting = user.voting
+      exists.workgroups = user.workgroup
     } else {
       state.users.push({
         username: user.username,
@@ -32,7 +33,8 @@ const mutations = {
         lastname: user.lastname,
         mail: user.mail,
         statusgroup: user.statusgroup,
-        voting: user.voting
+        voting: user.voting,
+        workgroups: user.workgroups
       })
     }
   },
@@ -59,6 +61,14 @@ const mutations = {
   },
   setStatusLoading: (state, value) => {
     state.statusLoading = value
+  },
+  updateWorkgroups: (state, { id, workgroups }) => {
+    let exists = state.users.find(a => {
+      return a.id === id
+    })
+    if (exists) {
+      exists.workgroups = workgroups
+    }
   }
 }
 
@@ -126,6 +136,23 @@ const actions = {
       if (e.response)
         if (e.response.status === 401) dispatch('logout', null, { root: true })
     }
+  },
+  async updateWorkgroups({ commit, rootState, dispatch }, data) {
+    try {
+      commit('setUsersLoading', true)
+      const response = await axios.post(
+        url.vorstand.um.updateWorkgroups,
+        { ...data },
+        { headers: { Token: rootState.login.user.accessToken } }
+      )
+      commit('updateWorkgroups', { id: data.id, workgroups: response.data })
+      commit('setUsersLoading', false)
+      dispatch('getLifeTime', null, { root: true })
+    } catch (e) {
+      commit('setUsersLoading', false)
+      if (e.response)
+        if (e.response.status === 401) dispatch('logout', null, { root: true })
+    }
   }
 }