diff --git a/src/components/modal/modal.vue b/src/components/modal/modal.vue
index 3c62366d..429d5519 100644
--- a/src/components/modal/modal.vue
+++ b/src/components/modal/modal.vue
@@ -60,7 +60,9 @@
             },
             maskClosable: {
                 type: Boolean,
-                default: true
+                default () {
+                    return !this.$IVIEW || this.$IVIEW.modal.maskClosable === '' ? true : this.$IVIEW.modal.maskClosable;
+                }
             },
             title: {
                 type: String
diff --git a/src/index.js b/src/index.js
index aa3578fb..f86c3760 100644
--- a/src/index.js
+++ b/src/index.js
@@ -216,6 +216,9 @@ const install = function(Vue, opts = {}) {
             closeIcon: opts.tabs ? opts.tabs.closeIcon ? opts.tabs.closeIcon : '' : '',
             customCloseIcon: opts.tabs ? opts.tabs.customCloseIcon ? opts.tabs.customCloseIcon : '' : '',
             closeIconSize: opts.tabs ? opts.tabs.closeIconSize ? opts.tabs.closeIconSize : '' : ''
+        },
+        modal: {
+            maskClosable: opts.modal ? 'maskClosable' in opts.modal ? opts.modal.maskClosable : '' : ''
         }
     };