ayanova/src/views/login.vue

@@ -19,9 +19,13 @@
               cancel
             }}</v-btn>
             <v-spacer></v-spacer>
-            <v-btn color="blue darken-1" text @click="tfaVerify()">{{
-              authVerifyCode
-            }}</v-btn>
+            <v-btn
+              color="blue darken-1"
+              :disabled="pin==null || pin.length==0"
+              text
+              @click="tfaVerify()"
+              >{{ authVerifyCode }}</v-btn
+            >
           </v-card-actions>
         </v-card>
       </v-dialog>