From d4d919f678b1f162f48c87ee5223281e57945a0a Mon Sep 17 00:00:00 2001
From: kunzheng <58841788+kunzms@users.noreply.github.com>
Date: Tue, 12 May 2020 13:55:30 -0700
Subject: [PATCH] fix: assign empty string when predict item's fieldName is
 undefined (#254)

---
 src/react/components/pages/predict/predictPage.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/react/components/pages/predict/predictPage.tsx b/src/react/components/pages/predict/predictPage.tsx
index 6d03127cc..b4a8a71fd 100644
--- a/src/react/components/pages/predict/predictPage.tsx
+++ b/src/react/components/pages/predict/predictPage.tsx
@@ -893,14 +893,14 @@ export default class PredictPage extends React.Component<IPredictPageProps, IPre
         if (Number.isInteger(targetPage) && targetPage !== this.state.currPage) {
             this.setState({
                 currPage: targetPage,
-                highlightedField: predictedItem.fieldName,
+                highlightedField: predictedItem.fieldName ?? "",
             });
         }
     }
 
     private onPredictionMouseEnter = (predictedItem: any) => {
         this.setState({
-            highlightedField: predictedItem.fieldName,
+            highlightedField: predictedItem.fieldName ?? "",
         });
     }