diff --git a/honoka/src/honoka_imengine.cpp b/honoka/src/honoka_imengine.cpp
index a470116..d3026a3 100644
--- a/honoka/src/honoka_imengine.cpp
+++ b/honoka/src/honoka_imengine.cpp
@@ -1269,6 +1269,7 @@
  */
 bool HonokaInstance::process_prediction_key_event(const KeyEvent &key)
 {
+    preeditCache.clear();
     // ͽ¬������Υ������٥�Ƚ�����
     if (key.is_key_release()) return true;
     if (!m_prediction) {