diff --git a/honoka/src/honoka_imengine.cpp b/honoka/src/honoka_imengine.cpp
index 1915ac4..a8d8d2a 100644
--- a/honoka/src/honoka_imengine.cpp
+++ b/honoka/src/honoka_imengine.cpp
@@ -655,8 +655,12 @@
         if (k_commit.comp(key)) {
             if (auto_conversion) {
                 commit_string(m_convertor->getText());
+                if (m_predictor->isConnected()) m_predictor->update(m_convertor->getText());
                 m_convertor->reset();
-            } else commit_string(m_preeditor->getText(true));
+            } else {
+                commit_string(m_preeditor->getText(true));
+                if (m_predictor->isConnected()) m_predictor->update(m_preeditor->getText(true));
+            }
             m_preeditor->reset();
             while(preeditStack.size()) {
                 preeditStack.pop();
@@ -810,6 +814,7 @@
             preeditStack.pop();
         }
         m_convertor->updateFrequency();
+        if (m_predictor->isConnected()) m_predictor->update(m_convertor->getText());
         m_preeditor->reset();
         m_convertor->reset();
         m_conversion = false;
@@ -969,6 +974,7 @@
         */
         commit_string(m_convertor->getText());
         m_convertor->updateFrequency();
+        if (m_predictor->isConnected()) m_predictor->update(m_convertor->getText());
         m_preeditor->reset();
         m_convertor->reset();
         m_conversion = false;
@@ -1156,6 +1162,7 @@
     if (m_conversion) {
         commit_string(m_convertor->getText());
         m_convertor->updateFrequency();
+        if (m_predictor->isConnected()) m_predictor->update(m_convertor->getText());
         m_convertor->reset();
         if (m_def_convertor != m_convertor) m_convertor = m_def_convertor;
         m_conversion = false;
diff --git a/honoka/src/predictor.cpp b/honoka/src/predictor.cpp
index d06d28f..bf1b0d3 100644
--- a/honoka/src/predictor.cpp
+++ b/honoka/src/predictor.cpp
@@ -84,3 +84,12 @@
     return String("Predicter");
 }
 
+
+
+/*!
+    \fn Predictor::update(const WideString str)
+ */
+void Predictor::update(const WideString str)
+{
+    return;
+}
diff --git a/honoka/src/predictor.h b/honoka/src/predictor.h
index c290aed..c221aea 100644
--- a/honoka/src/predictor.h
+++ b/honoka/src/predictor.h
@@ -52,6 +52,7 @@
     virtual bool isConnected();
     virtual String getPropertyName();
     virtual String getName();
+    virtual void update(const WideString str);
 };
 
 #endif
diff --git a/honoka/src/wnnconversion.cpp b/honoka/src/wnnconversion.cpp
index 22a2098..bb5f000 100644
--- a/honoka/src/wnnconversion.cpp
+++ b/honoka/src/wnnconversion.cpp
@@ -489,6 +489,7 @@
         jl_yosoku_toroku(wnn,ws,c);
         #endif
         jl_optimize_fi(wnn,0,-1);
+        pretext = getText();
     }
 }
 
@@ -513,3 +514,22 @@
     return String("Wnn");
 }
 
+
+
+/*!
+    \fn WnnConversion::updateYosoku(WideString text)
+ */
+void WnnConversion::updateYosoku(WideString text)
+{
+    #ifdef HAVE_LIBWNN7
+    if (text == pretext) return;
+    w_char ws[1024];
+    char c[2048];
+    String y;
+    m_iconv.convert(y,text);
+    strtows(ws,(unsigned char*)y.c_str());
+    jl_yosoku_toroku(wnn,ws,text.length());
+    #endif
+    return;
+
+}
diff --git a/honoka/src/wnnconversion.h b/honoka/src/wnnconversion.h
index aaf74dd..671bd80 100644
--- a/honoka/src/wnnconversion.h
+++ b/honoka/src/wnnconversion.h
@@ -75,6 +75,7 @@
     virtual int getCaretPos();
     virtual String getName();
     virtual String getPropertyName();
+    void updateYosoku(WideString text);
 
 
 protected:
@@ -102,6 +103,7 @@
     vector<WideString> yomiList;
     AttributeList attr;
     ResultList convList;
+    WideString pretext;
 
 };
 
diff --git a/honoka/src/wnnprediction.cpp b/honoka/src/wnnprediction.cpp
index 62feb00..3368946 100644
--- a/honoka/src/wnnprediction.cpp
+++ b/honoka/src/wnnprediction.cpp
@@ -98,4 +98,12 @@
     return String(_("WnnPrediction"));
 }
 
+/*!
+    \fn WnnPrediction::update(const WideString str)
+ */
+void WnnPrediction::update(const WideString str)
+{
+    //convertor->updateYosoku(str);
+    return;
+}
 
diff --git a/honoka/src/wnnprediction.h b/honoka/src/wnnprediction.h
index a316639..d161ba2 100644
--- a/honoka/src/wnnprediction.h
+++ b/honoka/src/wnnprediction.h
@@ -48,6 +48,7 @@
     virtual bool isConnected();
     virtual String getPropertyName();
     virtual String getName();
+    virtual void update(const WideString str);
 
 protected:
     WnnConversion *convertor;