diff --git a/src/core/func/function.js b/src/core/func/function.js
index cc77b7798..83d58c5ec 100644
--- a/src/core/func/function.js
+++ b/src/core/func/function.js
@@ -40,13 +40,11 @@ BI._.extend(BI.Func, {
      * @param items
      * @param keyword
      * @param param  搜索哪个属性
-     * @param opt 额外配置，caseSensitive: 大小写敏感
      */
-    getSearchResult: function (items, keyword, param, opt) {
+    getSearchResult: function (items, keyword, param) {
         var isArray = BI.isArray(items);
         items = isArray ? BI.flatten(items) : items;
         param || (param = "text");
-        opt || (opt = {caseSensitive: false});
         if (!BI.isKey(keyword)) {
             return {
                 find: items,
@@ -71,10 +69,8 @@ BI._.extend(BI.Func, {
             py = BI.makeFirstPY(text, {
                 splitChar: "\u200b"
             });
-            if (!opt.caseSensitive) {
-                text = BI.toUpperCase(text);
-                py = BI.toUpperCase(py);
-            }
+            text = BI.toUpperCase(text);
+            py = BI.toUpperCase(py);
             var pidx;
             if (text.indexOf(keyword) > -1) {
                 if (text === keyword) {
diff --git a/typescript/core/func/function.ts b/typescript/core/func/function.ts
index 12634e513..4da9ab104 100644
--- a/typescript/core/func/function.ts
+++ b/typescript/core/func/function.ts
@@ -13,9 +13,8 @@ export type _function = {
      * @param items 待搜索的数据
      * @param keyword 关键字
      * @param param  搜索哪个属性
-     * @param opt 额外配置，caseSensitive: 大小写敏感
      */
-    getSearchResult: (items: any, keyword: any, param?: string, opt?: {caseSensitive: boolean}) => { find: any[], match: any[] };
+    getSearchResult: (items: any, keyword: any, param?: string) => { find: any[], match: any[] };
 
     /**
      * 获取编码后的url