diff --git a/lib/std.js b/lib/std.js
index 1a42aa1..a24f53c 100644
--- a/lib/std.js
+++ b/lib/std.js
@@ -109,7 +109,7 @@ function sleep(ms, callback) {
     return { 'ms': end, 'handler': handler };
 };
 
-function repeat(target, callback, onError, onNextInterval) {
+function repeat(target, callback, onError, onNextInterval, onNext) {
     switch (typeof target) {
         case "number":
         case "boolean":
@@ -142,7 +142,7 @@ function repeat(target, callback, onError, onNextInterval) {
                         }
                     }
 
-                    // if use the next interval function
+                    // if use onNextInterval method
                     if (typeof onNextInterval === "function") {
                         var nextInterval = onNextInterval();
                         if (typeof nextInterval === "number") {
@@ -153,6 +153,15 @@ function repeat(target, callback, onError, onNextInterval) {
                             }
                         }
                     }
+
+                    // if use onNext method
+                    if (typeof onNext === "function") {
+                        try {
+                            onNext();
+                        } catch (e) {}
+                    }
+
+                    // set the last time
                     cur = Date.now();
                 }
                 end = Date.now();