diff --git a/lib/layui_plugins/okUtils/okUtils.js b/lib/layui_plugins/okUtils/okUtils.js
index 3a29913..ee7735d 100644
--- a/lib/layui_plugins/okUtils/okUtils.js
+++ b/lib/layui_plugins/okUtils/okUtils.js
@@ -71,7 +71,31 @@ layui.define("layer", function (exports) {
 			        // 刷新当前页table数据
 			        $(".layui-laypage-btn")[0].click();
 			    });
-			},
+			}
+		},
+		/**
+		 * 判断是否为一个正常的数字
+		 * @param num
+		 */
+		isNum: function (num) {
+			if (num && !isNaN(num)) {
+				return true;
+			}
+			return false;
+		},
+		/**
+		 * 判断一个数字是否包括在某个范围
+		 * @param num
+		 * @param begin
+		 * @param end
+		 */
+		isNumWith: function (num, begin, end) {
+			if (this.isNum(num)) {
+				if (num >= begin && num <= end) {
+					return true;
+				}
+				return false;
+			}
 		}
     }
 
diff --git a/pages/system/system-setting.html b/pages/system/system-setting.html
index f34024b..2fbea42 100644
--- a/pages/system/system-setting.html
+++ b/pages/system/system-setting.html
@@ -195,8 +195,8 @@
 		var storage = window.localStorage;
 		var skin = storage.getItem("skin");
 		var anim = storage.getItem("anim");
-		$("#skin").val(skin);
-		$("#anim").val(anim);
+		$("#skin").val(okUtils.isNumWith(skin, 1, 4) ? skin : 1);
+		$("#anim").val(okUtils.isNumWith(anim, 0, 7) ? anim : 0);
 		form.render()
 		
 		form.on("submit(skinAnimSubmit)", function (data) {