fix: tweak emphasis text position.

src/util/graphic.ts

@@ -705,13 +705,15 @@ export function setLabelStyle<LDI>(
             targetEl.setTextConfig(createTextConfig(
                 normalStyle,
                 normalModel,
-                opt
+                opt,
+                false
             ));
             const targetElEmphasisState = targetEl.ensureState('emphasis');
             targetElEmphasisState.textConfig = createTextConfig(
                 emphasisState.style,
                 emphasisModel,
-                opt
+                opt,
+                true
             );
         }
 
@@ -765,8 +767,8 @@ export function createTextStyle(
 export function createTextConfig(
     textStyle: TextStyleProps,
     textStyleModel: Model,
-    opt?: TextCommonParams,
-    isEmphasis?: boolean
+    opt: TextCommonParams,
+    isEmphasis: boolean
 ) {
     const textConfig: ElementTextConfig = {};
     let labelPosition;

test/hoverStyle.html

@@ -368,7 +368,16 @@ under the License.
                         type: 'scatter',
                         symbolSize: 30,
                         data: [
-                            [12, 331], [55, 131], [55, 531]
+                            {
+                                value: [12, 331],
+                                label: {
+                                    show: true,
+                                    formatter: 'position top\neven hoverred',
+                                    fontSize: 20,
+                                    position: 'top'
+                                }
+                            },
+                            [55, 131], [55, 531]
                         ]
                     }, {
                         type: 'scatter',