diff --git a/src/content/components/TranslatePanel.js b/src/content/components/TranslatePanel.js
index 6edc905..39bd464 100644
--- a/src/content/components/TranslatePanel.js
+++ b/src/content/components/TranslatePanel.js
@@ -16,7 +16,8 @@ export default class TranslatePanel extends Component {
       panelPosition: { x: 0, y: 0 },
       panelWidth: 0,
       panelHeight: 0,
-      shouldResize: true
+      shouldResize: true,
+      isOverflow: false
     };
     this.isFirst = true;
   }
@@ -72,11 +73,14 @@ export default class TranslatePanel extends Component {
     if (!this.state.shouldResize || !this.props.shouldShow) return;
     const panelPosition = this.calcPosition();
     const { panelWidth, panelHeight } = this.calcSize();
+    const isOverflow = panelHeight == parseInt(getSettings("height"));
+
     this.setState({
       shouldResize: false,
       panelPosition: panelPosition,
       panelWidth: panelWidth,
-      panelHeight: panelHeight
+      panelHeight: panelHeight,
+      isOverflow: isOverflow
     });
   };
 
@@ -96,7 +100,7 @@ export default class TranslatePanel extends Component {
       backgroundColor: getSettings("bgColor")
     };
     const wrapperStyles = {
-      overflow: this.state.shouldResize ? "hidden" : "auto"
+      overflow: this.state.isOverflow ? "auto" : "hidden"
     };
     const resultStyles = {
       color: getSettings("resultFontColor")
diff --git a/src/content/styles/TranslatePanel.scss b/src/content/styles/TranslatePanel.scss
index 3b4466e..3c70820 100644
--- a/src/content/styles/TranslatePanel.scss
+++ b/src/content/styles/TranslatePanel.scss
@@ -2,6 +2,7 @@
   .simple-translate-panel {
     all: initial;
     position: fixed;
+    overflow: hidden;
     background-color: var(--simple-translate-main-bg);
     box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.16), 0 0 0 1px rgba(0, 0, 0, 0.08);
     border-radius: 3px;
@@ -23,6 +24,8 @@
       height: max-content;
       max-width: 100%;
       max-height: 100%;
+      overflow: auto;
+
       p {
         all: initial;
         display: block;