diff --git a/src/other/temp.js b/src/other/temp.js
index dae047a..f7ace91 100644
--- a/src/other/temp.js
+++ b/src/other/temp.js
@@ -19,4 +19,9 @@ function kmpSearch(str, pattern) {
     return i - j;
   }
   return -1;
-}
\ No newline at end of file
+}
+
+//try to use KMP
+var strStr = function(haystack, needle) {
+    return kmpSearch(haystack, needle);
+};
\ No newline at end of file