diff --git a/demo/segment_demo.cpp b/demo/segment_demo.cpp
index 9e4d7ef..d3f9a7e 100644
--- a/demo/segment_demo.cpp
+++ b/demo/segment_demo.cpp
@@ -6,6 +6,7 @@ using namespace CppJieba;
 
 MPSegment seg;
 HMMSegment hmmseg;
+MixSegment mixseg;
 bool init(const char * const dictPath, const char * const modelPath)
 {
 	if(!seg.init(dictPath))
@@ -20,10 +21,16 @@ bool init(const char * const dictPath, const char * const modelPath)
 		return false;
 	}
 
+    if(!mixseg.init(dictPath, modelPath))
+    {
+        cout<<"mixseg init failed."<<endl;
+        return false;
+    }
+
 	return true;
 }
 
-void cut(const char * const filePath)
+void cutMP(const char * const filePath)
 {
 	ifstream ifile(filePath);
 	vector<string> res;
@@ -53,14 +60,16 @@ void cutHMM(const char * const filePath)
 	}
 }
 
-void cutAll(const char* const filePath)
+void cutMix(const char* const filePath)
 {
 	ifstream ifs(filePath);
-	vector<TrieNodeInfo> res;
+	vector<string> res;
 	string line;
 	while(getline(ifs, line))
 	{
-		seg.cut(line, res);
+		mixseg.cut(line, res);
+        cout<<line<<endl;
+        cout<<vecToString(res)<<endl;
 	}
 }
 
@@ -76,6 +85,11 @@ bool dispose()
 		cout<<"seg dispose failed."<<endl;
 		return false;
 	}
+	if(!mixseg.dispose())
+	{
+		cout<<"seg dispose failed."<<endl;
+		return false;
+	}
 	return true;
 }
 
@@ -88,13 +102,14 @@ int main(int argc, char ** argv)
 	{
 		cout<<"usage: \n\t"<<argv[0]<<"[options] <filename>\n"
 		    <<"options:\n"
-			<<"\t--algorithm\tSupported encoding methods are [cutDAG, cutHMM] for now. \n\t\t\tIf not specified, the default is cutDAG\n"
+			<<"\t--algorithm\tSupported encoding methods are [cutDAG, cutHMM, cutMix] for now. \n\t\t\tIf not specified, the default is cutDAG\n"
 		    <<"\t--dictpath\tIf not specified, the default is "<<DEFAULT_DICTPATH<<'\n'
 		    <<"\t--modelpath\tIf not specified, the default is "<<DEFAULT_MODELPATH<<'\n'
 		    <<"\t--encoding\tSupported encoding methods are [gbk, utf-8] for now. \n\t\t\tIf not specified, the default is utf8.\n"
 			<<"example:\n"
 			<<"\t"<<argv[0]<<" testlines.utf8 --encoding utf-8 --dictpath ../dicts/jieba.dict.utf8\n"
 			<<"\t"<<argv[0]<<" testlines.utf8 --modelpath ../dicts/hmm_model.utf8 --algorithm cutHMM\n"
+			<<"\t"<<argv[0]<<" testlines.utf8 --modelpath ../dicts/hmm_model.utf8 --algorithm cutMix\n"
 			<<"\t"<<argv[0]<<" testlines.gbk --encoding gbk --dictpath ../dicts/jieba.dict.gbk\n"
 			<<endl;
 		
@@ -131,10 +146,14 @@ int main(int argc, char ** argv)
 	{
 		cutHMM(arg[1].c_str());
 	}
-	else
+	else if("cutMix" == algorithm)
 	{
-		cut(arg[1].c_str());
+		cutMix(arg[1].c_str());
 	}
+    else
+    {
+		cutMix(arg[1].c_str());
+    }
 	dispose();
 	return 0;
 }
diff --git a/src/HMMSegment.cpp b/src/HMMSegment.cpp
index ab1cbde..04f813a 100644
--- a/src/HMMSegment.cpp
+++ b/src/HMMSegment.cpp
@@ -104,46 +104,59 @@ namespace CppJieba
 		return true;
 	}
 
-	bool HMMSegment::cut(const string& str, vector<string>& res)
-	{
-		if(str.empty())
-		{
-			return false;
-		}
-		vector<uint16_t> unico;
+
+    bool HMMSegment::cut(const Unicode& unico, vector<Unicode>& res)
+    {
 		vector<uint> status; 
-		vector<uint16_t>::iterator begin, left, right;
-		if(!TransCode::decode(str, unico))
-
-		{
-			LogError("TransCode failed.");
-			return false;
-		}
-
 		if(!viterbi(unico, status))
 		{
 			LogError("viterbi failed.");
 			return false;
 		}
-		//cout<<encodeing(status)<<endl;
-		begin = unico.begin();
-		left = begin;
+
+        Unicode::const_iterator begin = unico.begin();
+        Unicode::const_iterator left = begin;
+        Unicode::const_iterator right;
 		res.clear();
 		for(uint i =0; i< status.size(); i++)
 		{
 			if(status[i] % 2) //if(E == status[i] || S == status[i])
 			{
 				right = begin + i + 1;
-				res.push_back(TransCode::encode(left, right));
+				res.push_back(Unicode(left, right));
 				left = right;
 			}
-
 		}
-		
+        return true;
+    }
+
+	bool HMMSegment::cut(const string& str, vector<string>& res)
+	{
+		if(str.empty())
+		{
+			return false;
+		}
+		Unicode unico;
+		if(!TransCode::decode(str, unico))
+
+		{
+			LogError("TransCode failed.");
+			return false;
+		}
+        vector<Unicode> words;
+        if(!cut(unico, words))
+        {
+            return false;
+        }
+        res.clear();
+        for(uint i = 0; i < words.size(); i++)
+        {
+            res.push_back(TransCode::encode(words[i].begin(), words[i].end()));
+        }
 		return true;
 	}
 
-	bool HMMSegment::viterbi(const vector<uint16_t>& unico, vector<uint>& status)
+	bool HMMSegment::viterbi(const Unicode& unico, vector<uint>& status)
 	{
 		if(unico.empty())
 		{
@@ -193,17 +206,12 @@ namespace CppJieba
 				{
 					old = x - 1 + preY * X;
 					tmp = weight[old] + _transProb[preY][y] + _getEmitProb(_emitProbVec[y], unico[x], MIN_DOUBLE);
-					//cout<<MIN_DOUBLE+MIN_DOUBLE+MIN_DOUBLE<<endl;
-					//cout<<weight[old]<<":"<<_transProb[preY][y]<<":"<<_getEmitProb(_emitProbVec[y], unico[x], MIN_DOUBLE)<<endl;
-					//cout<<tmp<<endl;
 					if(tmp > weight[now])
 					{
 						weight[now] = tmp;
 						path[now] = preY;
 					}
 				}
-				//cout<<x<<":"<<y<<":"<<weight[now]<<endl;
-				//getchar();
 			}
 		}
 
@@ -278,7 +286,7 @@ namespace CppJieba
 
 	bool HMMSegment::_decodeOne(const string& str, uint16_t& res)
 	{
-		vector<uint16_t> ui16;
+		Unicode ui16;
 		if(!TransCode::decode(str, ui16) || ui16.size() != 1)
 		{
 			return false;
diff --git a/src/HMMSegment.h b/src/HMMSegment.h
index 28f77f6..a68661b 100644
--- a/src/HMMSegment.h
+++ b/src/HMMSegment.h
@@ -13,12 +13,13 @@ namespace CppJieba
 	using namespace CPPCOMMON;
 	class HMMSegment
 	{
-		private:
+        public:
 			/*
 			 * STATUS:
 			 * 0:B, 1:E, 2:M, 3:S
 			 * */
 			enum {B = 0, E = 1, M = 2, S = 3, STATUS_SUM = 4};
+		private:
 			char _statMap[STATUS_SUM];
 			double _startProb[STATUS_SUM];
 			double _transProb[STATUS_SUM][STATUS_SUM];
@@ -35,8 +36,10 @@ namespace CppJieba
 			bool init(const char* const modelPath);
 			bool dispose();
 		public:
+            bool cut(const Unicode& unico, vector<Unicode>& res);
 			bool cut(const string& str, vector<string>& res);
-			bool viterbi(const vector<uint16_t>& unico, vector<uint>& status);
+			bool viterbi(const Unicode& unico, vector<uint>& status);
+
 		private:
 			bool _loadModel(const char* const filePath);
 			bool _getLine(ifstream& ifile, string& line);
diff --git a/src/MixSegment.cpp b/src/MixSegment.cpp
index 2b73510..39c54af 100644
--- a/src/MixSegment.cpp
+++ b/src/MixSegment.cpp
@@ -40,10 +40,48 @@ namespace CppJieba
             LogError("_mpSeg cutDAG failed.");
             return false;
         }
+        res.clear();
+        Unicode unico;
+        vector<Unicode> hmmRes;
         for(uint i= 0; i < infos.size(); i++)
         {
+            if(1 == infos[i].word.size())
+            {
+                unico.push_back(infos[i].word[0]);
+            }
+            else
+            {
+                if(!unico.empty())
+                {
+                    if(!_hmmSeg.cut(unico, hmmRes))
+                    {
+                        LogError("_hmmSeg cut failed.");
+                        return false;
+                    }
+                    for(uint j = 0; j < hmmRes.size(); j++)
+                    {
+                        res.push_back(TransCode::encode(hmmRes[j]));
+                    }
+                }
+                unico.clear();
+
+                res.push_back(TransCode::encode(infos[i].word));
+            }
             
         }
+        if(!unico.empty())
+        {
+            if(!_hmmSeg.cut(unico, hmmRes))
+            {
+                LogError("_hmmSeg cut failed.");
+                return false;
+            }
+            for(uint j = 0; j < hmmRes.size(); j++)
+            {
+                res.push_back(TransCode::encode(hmmRes[j]));
+            }
+        }
+        
         return true;
     }
 }
diff --git a/src/TransCode.cpp b/src/TransCode.cpp
index c7d773f..80ab080 100644
--- a/src/TransCode.cpp
+++ b/src/TransCode.cpp
@@ -111,10 +111,15 @@ namespace CppJieba
 		}
 		return true;
 	}
+    
+    string TransCode::encode(const Unicode& sentence)
+    {
+        return encode(sentence.begin(), sentence.end());
+    }
 	
 	string TransCode::encode(Unicode::const_iterator begin, Unicode::const_iterator end)
 	{
-		if(NULL == _pf_encode)
+		if(!_pf_encode)
 		{
 			return "";
 		}
diff --git a/src/TransCode.h b/src/TransCode.h
index 220bb17..5627941 100644
--- a/src/TransCode.h
+++ b/src/TransCode.h
@@ -38,6 +38,7 @@ namespace CppJieba
 		public:
 			static bool decode(const string& str, vector<uint16_t>& vec);
 			static string encode(Unicode::const_iterator begin, Unicode::const_iterator end);
+            static string encode(const Unicode& sentence);
 			//static size_t getWordLength(const string& str);
 		public:
 			static bool gbkToVec(const string& str, vector<uint16_t>& vec);
diff --git a/src/headers.h b/src/headers.h
index 1227cac..437052f 100644
--- a/src/headers.h
+++ b/src/headers.h
@@ -12,5 +12,6 @@
 #include "Trie.h"
 #include "TransCode.h"
 #include "HMMSegment.h"
+#include "MixSegment.h"
 
 #endif