diff --git a/selectInput.js b/selectInput.js
index 675c74d09ec6742f03009d73b68adf337cbbfc09..f0509c91326e9dffc41d4bca39832510b7e6ffa8 100644
--- a/selectInput.js
+++ b/selectInput.js
@@ -176,15 +176,15 @@ layui.define(['jquery'], function (exports) {
                     $(this).next().addClass(selectedCss + ' ' + upCss);
                     $(this).next().find("dl").css({"display": "block"});
                     var dl = $(this).next().find("dl").children();
-                    var j = -1;
+                    var j = 0;
                     for (var i = 0; i < dl.length; i++) {
-                        if (dl[i].innerHTML.indexOf(value) <= -1) {
+                        if (dl[i].innerHTML.indexOf(value) === -1) {
                             dl[i].style.display = "none";
                             j++;
                         } else {
                             dl[i].style.display = "block";
                         }
-                        if (j === (dl.length - 2)) {
+                        if (j === dl.length) {
                             $(this).next().find("dl").css({"display": "none"});
                         }
                     }