diff --git a/src/locales/en/translation.json b/src/locales/en/translation.json
index 2b0f37b..a9d1094 100644
--- a/src/locales/en/translation.json
+++ b/src/locales/en/translation.json
@@ -8,6 +8,7 @@
 
     "doudizhu": {
         "ai_hand_faceup": "AI Hand Face-Up",
+        "ai_prediction": "AI Prediction",
         "play_as_landlord": "Play As Landlord",
         "play_as_peasant": "Play As Peasant",
         "landlord_up": "Landlord Up",
diff --git a/src/locales/zh/translation.json b/src/locales/zh/translation.json
index 5f5d542..a32ba82 100644
--- a/src/locales/zh/translation.json
+++ b/src/locales/zh/translation.json
@@ -8,6 +8,7 @@
 
     "doudizhu": {
         "ai_hand_faceup": "显示AI手牌",
+        "ai_prediction": "显示AI预测",
         "play_as_landlord": "扮演地主",
         "play_as_peasant": "扮演农民",
         "landlord_up": "地主上家",
diff --git a/src/view/PvEView/PvEDoudizhuDemoView.js b/src/view/PvEView/PvEDoudizhuDemoView.js
index 9435f8c..28d3dd1 100644
--- a/src/view/PvEView/PvEDoudizhuDemoView.js
+++ b/src/view/PvEView/PvEDoudizhuDemoView.js
@@ -356,7 +356,7 @@ function PvEDoudizhuDemoView() {
         }
     };
 
-    const requestApiPlay = async () => {
+    const requestApiPlay = async (eval_only) => {
         // gather information for api request
         const player_position = playerInfo[gameState.currentPlayer].douzeroPlayerPosition;
         const player_hand_cards = cardArr2DouzeroFormat(gameState.hands[gameState.currentPlayer].slice().reverse());
@@ -444,13 +444,17 @@ function PvEDoudizhuDemoView() {
                     };
                     const apiRes = await axios.post(`${douzeroDemoUrl}/legal`, qs.stringify(requestBody));
                     if (apiRes.data.legal_action === '') {
-                        proceedNextTurn([]);
+                        if(!eval_only) {
+                            proceedNextTurn([]);
+                        }
                         setPredictionRes({
                             prediction: [['', t('doudizhu.only_choice')]],
                             hands: gameState.hands[gameState.currentPlayer].slice(),
                         });
                     } else if (apiRes.data.legal_action.split(',').length === 1) {
-                        proceedNextTurn(apiRes.data.legal_action.split(''));
+                        if(!eval_only) {
+                            proceedNextTurn(apiRes.data.legal_action.split(''));
+                        }
                         setPredictionRes({
                             prediction: [[apiRes.data.legal_action, t('doudizhu.only_choice')]],
                             hands: gameState.hands[gameState.currentPlayer].slice(),
@@ -493,7 +497,9 @@ function PvEDoudizhuDemoView() {
                         }
                     }
                 }
-                proceedNextTurn(bestAction.split(''));
+                if(!eval_only) {
+                    proceedNextTurn(bestAction.split(''));
+                }
             }
         } catch (err) {
             Message({
@@ -715,7 +721,9 @@ function PvEDoudizhuDemoView() {
         if (gameState.currentPlayer !== null && syncGameStatus === 'playing') {
             // if current player is not user, request for API player
             if (gameState.currentPlayer !== mainPlayerId) {
-                requestApiPlay();
+                requestApiPlay(false);
+            } else if (!hidePredictionArea) {
+                requestApiPlay(true);
             } else {
                 setPredictionRes({ prediction: [], hands: [] });
             }
@@ -1056,10 +1064,18 @@ function PvEDoudizhuDemoView() {
                                         style={{ textAlign: 'center', height: '100%', display: 'inline-block' }}
                                         className="switch-control"
                                         control={
-                                            <Switch checked={!hidePredictionArea} onChange={toggleHidePredictionArea} />
+                                            <Switch checked={!hideRivalHand} onChange={setHideRivalHand(!hideRivalHand)} />
                                         }
                                         label={t('doudizhu.ai_hand_faceup')}
                                     />
+                                    <FormControlLabel
+                                        style={{ textAlign: 'center', height: '100%', display: 'inline-block' }}
+                                        className="switch-control"
+                                        control={
+                                            <Switch checked={!hidePredictionArea} onChange={setHidePredictionArea(!hidePredictionArea)} />
+                                        }
+                                        label={t('doudizhu.ai_prediction')}
+                                    />
                                 </FormGroup>
                             </Layout.Col>
                             <Layout.Col span="1" style={{ height: '100%', width: '1px' }}>