diff --git a/Segment.cpp b/Segment.cpp
index 41710cb..e5654e1 100644
--- a/Segment.cpp
+++ b/Segment.cpp
@@ -174,7 +174,7 @@ using namespace CppJieba;
 int main()
 {
 	Segment segment;
-	segment.init("jieba.dict.utf8");
+	segment.init("dicts/segdict.utf8.v2.0");
 	
 	vector<string> res;
 	string title = "我来到北京清华大学";
diff --git a/Trie.cpp b/Trie.cpp
index c16651a..269a2e8 100644
--- a/Trie.cpp
+++ b/Trie.cpp
@@ -24,6 +24,11 @@ namespace CppJieba
 
 	bool Trie::init(const char* const filePath)
 	{
+		if(!checkFileExist(filePath))
+		{
+			LogError(string_format("cann't find fiel[%s].",filePath));
+			return false;
+		}
 		bool res = false;
 		res = _buildTree(filePath);
 		if(!res)
diff --git a/Trie.h b/Trie.h
index 0cb7b78..904131c 100644
--- a/Trie.h
+++ b/Trie.h
@@ -1,5 +1,6 @@
 #ifndef TRIE_H
 #define TRIE_H
+
 #include <iostream>
 #include <fstream>
 //#include <ext/hash_map>
@@ -10,6 +11,7 @@
 #include <limits>
 #include "cppcommon/str_functs.h"
 #include "cppcommon/vec_functs.h"
+#include "cppcommon/file_functs.h"
 #include "cppcommon/logger.h"
 #include "globals.h"