diff --git a/package.json b/package.json
index af38223..1929958 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   },
   "name": "vue-functional-calendar",
   "description": "A style-uninstallable datepicker component for Vue.js",
-  "version": "1.2.9",
+  "version": "1.3.0",
   "license": "ISC",
   "repository": {
     "type": "git",
diff --git a/src/Demo.vue b/src/Demo.vue
index 7a848b7..5aa3210 100644
--- a/src/Demo.vue
+++ b/src/Demo.vue
@@ -64,15 +64,15 @@
                 configs: {
                     sundayStart: true,
 
-                    isDatePicker: false,
-                    isDateRange: true,
+                    isDatePicker: true,
+                    isDateRange: false,
 
-                    isMultiple: true,
+                    isMultiple: false,
                     calendarsCount: 3,
 
                     isModal: false,
 
-                    changeMonthFunction: true,
+                    changeMonthFunction: false,
                     changeYearFunction: true,
 
                     applyStylesheet: true,
diff --git a/src/componentns/FunctionalCalendar.vue b/src/componentns/FunctionalCalendar.vue
index af7f2a0..cb7463e 100644
--- a/src/componentns/FunctionalCalendar.vue
+++ b/src/componentns/FunctionalCalendar.vue
@@ -566,7 +566,12 @@
             },
             setConfigs() {
                 if (typeof (this.configs) !== "undefined") {
-                    this.fConfigs = this.configs;
+                    let vm = this;
+                    Object.keys(this.configs).map(function (objectKey) {
+                        if (typeof (vm.fConfigs[objectKey]) !== "undefined") {
+                            vm.$set(vm.fConfigs, objectKey,  vm.configs[objectKey]);
+                        }
+                    });
                 } else {
                     this.fConfigs.sundayStart = this.sundayStart;