diff --git a/frameworks/inputmethod_controller/src/input_method_controller.cpp b/frameworks/inputmethod_controller/src/input_method_controller.cpp
index f0a5d47..8051f46 100644
--- a/frameworks/inputmethod_controller/src/input_method_controller.cpp
+++ b/frameworks/inputmethod_controller/src/input_method_controller.cpp
@@ -193,6 +193,7 @@ using namespace MessageID;
     void InputMethodController::Attach(sptr<OnTextChangedListener> &listener)
     {
         textListener = listener;
+        PrepareInput(0, mClient, mInputDataChannel, mAttribute);
         StartInput(mClient);
     }