diff --git a/frontend/src/components/CustomDialog.vue b/frontend/src/components/CustomDialog.vue
index c3a28c9..a34349a 100644
--- a/frontend/src/components/CustomDialog.vue
+++ b/frontend/src/components/CustomDialog.vue
@@ -8,6 +8,8 @@
         type="text"
         style="width:100%;padding:10px 14px;border:1.5px solid #d4cfc7;border-radius:10px;font-size:14px;margin-bottom:16px;outline:none;font-family:inherit;box-sizing:border-box"
         @keydown.enter="submitPrompt"
+        @compositionstart="isComposing = true"
+        @compositionend="onCompositionEnd"
         ref="promptInput"
       />
       <div class="dialog-btn-row">
@@ -19,11 +21,12 @@
 </template>
 
 <script setup>
-import { ref, watch, nextTick } from 'vue'
+import { ref, watch, nextTick, shallowRef } from 'vue'
 import { dialogState, closeDialog } from '../composables/useDialog'
 
 const inputValue = ref('')
 const promptInput = ref(null)
+const isComposing = shallowRef(false)
 
 watch(() => dialogState.visible, (v) => {
   if (v && dialogState.type === 'prompt') {
@@ -46,7 +49,15 @@ function cancel() {
   else closeDialog(null)
 }
 
-function submitPrompt() {
+function onCompositionEnd(e) {
+  isComposing.value = false
+  // After compositionend, update the model value with the committed text
+  inputValue.value = e.target.value
+}
+
+function submitPrompt(e) {
+  // Ignore Enter during IME composition (e.g. Chinese input method confirming a character)
+  if (e.isComposing || isComposing.value) return
   closeDialog(inputValue.value)
 }
 </script>