diff --git a/frontend/src/component/feature/form/strategy-configure.jsx b/frontend/src/component/feature/form/strategy-configure.jsx
index cc8453b9ff..12f7d38a98 100644
--- a/frontend/src/component/feature/form/strategy-configure.jsx
+++ b/frontend/src/component/feature/form/strategy-configure.jsx
@@ -68,7 +68,10 @@ class StrategyConfigure extends React.Component {
                 } else if (type === 'list') {
                     let list = [];
                     if (typeof value === 'string') {
-                        list = value.split(',');
+                        list = value
+                            .trim()
+                            .split(',')
+                            .filter(Boolean);
                     }
                     return (<StrategyInputList field={field} list={list} setConfig={this.setConfig} />);
                 } else {