diff --git a/src/Application.hpp b/src/Application.hpp
index 97001b1..e48e931 100644
--- a/src/Application.hpp
+++ b/src/Application.hpp
@@ -67,6 +67,10 @@ class Application {
         vector<pair<string, size_t> >& words) const {
     levelSeg_.cut(sentence, words);
   }
+  void cut(const string& sentence,
+        vector<string>& words, size_t max_word_len) const {
+    mpSeg_.cut(sentence, words, max_word_len);
+  }
   bool insertUserWord(const string& word, const string& tag = UNKNOWN_TAG) {
     return dictTrie_.insertUserWord(word, tag);
   }
diff --git a/test/unittest/TApplication.cpp b/test/unittest/TApplication.cpp
index 4a66540..2f03449 100644
--- a/test/unittest/TApplication.cpp
+++ b/test/unittest/TApplication.cpp
@@ -20,6 +20,9 @@ TEST(ApplicationTest, Test1) {
   result << words;
   ASSERT_EQ("[\"我\", \"来自\", \"北京邮电大学\", \"。\"]", result);
 
+  app.cut("南京市长江大桥", words, 3);
+  ASSERT_EQ("[\"南京市\", \"长江\", \"大桥\"]", result << words);
+
   app.cut("我来自北京邮电大学。。。学号123456", words, METHOD_HMM);
   result << words;
   ASSERT_EQ("[\"我来\", \"自北京\", \"邮电大学\", \"。\", \"。\", \"。\", \"学号\", \"123456\"]", result);
diff --git a/test/unittest/TSegments.cpp b/test/unittest/TSegments.cpp
index 8871dbb..1d4f6bd 100644
--- a/test/unittest/TSegments.cpp
+++ b/test/unittest/TSegments.cpp
@@ -101,6 +101,9 @@ TEST(MPSegmentTest, Test1) {
   // MaxWordLen
   ASSERT_TRUE(segment.cut("南京市长江大桥", words, 3));
   ASSERT_EQ("[\"南京市\", \"长江\", \"大桥\"]", s << words);
+
+  ASSERT_TRUE(segment.cut("南京市长江大桥", words, 0));
+  ASSERT_EQ("[\"南\", \"京\", \"市\", \"长\", \"江\", \"大\", \"桥\"]", s << words);
 }
 
 //TEST(MPSegmentTest, Test2) {