diff --git a/src/lib/PdfShare.vue b/src/lib/PdfShare.vue
index 88ae936..2e3cb0c 100644
--- a/src/lib/PdfShare.vue
+++ b/src/lib/PdfShare.vue
@@ -15,6 +15,11 @@
         <v-btn v-if="pdf && !loading" :disabled="pageNumber ==1" @click="prevPage" icon><v-icon>mdi-chevron-left</v-icon></v-btn>
         <span v-if="pdf && !loading">{{pageNumber}} / {{pdf.numPages}}</span>
         <v-btn v-if="pdf && !loading" :disabled="pdf.numPages == pageNumber" @click="nextPage" icon><v-icon>mdi-chevron-right</v-icon></v-btn>
+        <v-row>
+            <v-col cols="12" md="12">
+                <v-btn v-if="pdf && !loading" @click="stop">stop pdf share</v-btn>
+            </v-col>
+        </v-row>
     </div>
 </template>
 
@@ -31,6 +36,7 @@ export default {
     name: "PdfShare",
     props: {
       janusInit: Object,
+      onstop: Function,
       username: String,
       myrivid: Number,
       room: Number,
@@ -95,6 +101,21 @@ export default {
             pluginHandle.send({"message": register});
 
         },
+        stop(){
+            var unpublish = { "request": "unpublish"};
+            this.pluginHandle.send({"message": unpublish});
+
+            this.pluginHandle.detach();
+
+            // reset
+            this.pluginHandle = null;
+            this.pdf = null;
+            this.pageNumber = 1;
+            this.loading = true;
+
+            // callback
+            this.onstop();
+        },
         janusPluginError (error) {
             console.log('error', error)
         },
diff --git a/src/lib/VueJanus.vue b/src/lib/VueJanus.vue
index 1ee851a..4345b51 100644
--- a/src/lib/VueJanus.vue
+++ b/src/lib/VueJanus.vue
@@ -13,8 +13,11 @@
                     Firefox handles screensharing in a different way: are you going to share the whole screen, or would you rather pick a single window/application to share instead?
                 </v-card-text>
                 <v-card-actions>
+                    <v-spacer></v-spacer>
                     <v-btn @click="shareScreenStart('screen')">Share a screen</v-btn>
+                    <v-spacer></v-spacer>
                     <v-btn @click="shareScreenStart('window')">Share a window</v-btn>
+                    <v-spacer></v-spacer>
                 </v-card-actions>
             </v-card>
         </v-dialog>
@@ -203,6 +206,9 @@
 
         },
         methods: {
+            stopSharePdf(){
+                this.sharePdf=false;
+            },
             webrtcState (on) {
                 this.pluginHandle.send({"message": { "request": "configure", "bitrate": 512*1000 }});
                 console.log(on, "webrt")