fix: 修复单测问题

packages/amis-editor/src/renderer/TimelineItemControl.tsx

@@ -61,7 +61,7 @@ export default class TimelineItemControl extends React.Component<
     if (source === this.state.source) {
       return;
     }
-    this.setState({source: source, api: '', items: []}, this.onChange);
+    this.setState({source, api: '', items: []}, this.onChange);
   }
 
   @autobind

packages/amis-ui/scss/components/_timeline.scss

@@ -1,3 +1,7 @@
+.#{$ns}Timeline {
+  min-height: #{px2rem(10px)};
+}
+
 .#{$ns}Timeline-vertical {
   display: flex;
   flex-flow: column;

packages/amis-ui/src/components/WithRemoteConfig.tsx

@@ -305,9 +305,6 @@ export function withRemoteConfig<P = any>(
                         ignoreData: true
                       }).url) &&
                 this.loadConfig();
-            } else if (!source) {
-              //如果source为空，则清空配置
-              this.setConfig(undefined);
             }
 
             if (data !== prevProps.data) {

packages/amis/src/renderers/Timeline.tsx

@@ -199,7 +199,7 @@ const TimelineWithRemoteConfig = withRemoteConfig({
     RemoteOptionsProps & React.ComponentProps<typeof TimelineCmpt>
   > {
     render() {
-      const {config, items, deferLoad, loading, updateConfig, ...rest} =
+      const {config, items, deferLoad, loading, updateConfig, source, ...rest} =
         this.props;
 
       let sourceItems: Array<TimelineItemSchema> = config
@@ -210,6 +210,11 @@ const TimelineWithRemoteConfig = withRemoteConfig({
               title: config[key]
             }))
         : items || [];
+
+      // 如果items有值或者source为空，则直接使用items
+      if (items?.length || !source) {
+        sourceItems = items || [];
+      }
       return <TimelineCmpt items={sourceItems} {...rest} />;
     }
   }