diff --git a/browser/main/TopBar/index.js b/browser/main/TopBar/index.js
index 0b193623..2688a159 100644
--- a/browser/main/TopBar/index.js
+++ b/browser/main/TopBar/index.js
@@ -44,11 +44,12 @@ class TopBar extends React.Component {
       isIME: false
     })
 
+    // When the key is an alphabet, del, enter or ctr
     if (e.keyCode <= 90) {
       this.setState({
-        isAlphabet: true,
-        isIME: false
+        isAlphabet: true
       })
+    // When the key is an IME input (Japanese, Chinese)
     } else if (e.keyCode === 229) {
       this.setState({
         isIME: true
@@ -58,6 +59,12 @@ class TopBar extends React.Component {
 
 
   handleKeyUp (e) {
+    // reset states
+    this.setState({
+      isConfirmTranslation: false
+    })
+
+    // When the key is translation confirmation (Enter)
     if (this.state.isIME && e.keyCode === 13) {
       this.setState({
         isConfirmTranslation: true
@@ -67,10 +74,6 @@ class TopBar extends React.Component {
       this.setState({
         search: this.refs.searchInput.value
       })
-    } else {
-      this.setState({
-        isConfirmTranslation: false
-      })
     }
   }