diff --git a/src/chart/radar/RadarSeries.js b/src/chart/radar/RadarSeries.js
index 8d6d7b4524..6bd5ee12e5 100644
--- a/src/chart/radar/RadarSeries.js
+++ b/src/chart/radar/RadarSeries.js
@@ -61,6 +61,28 @@ var RadarSeries = SeriesModel.extend({
             }).join('<br />');
     },
 
+    /**
+     * @implement
+     */
+    getTooltipPosition: function (dataIndex) {
+        if (dataIndex != null) {
+            var data = this.getData();
+            var coordSys = this.coordinateSystem;
+            var values = data.getValues(
+                zrUtil.map(coordSys.dimensions, function (dim) {
+                    return data.mapDimension(dim);
+                }), dataIndex, true
+            );
+
+            for (var i = 0, len = values.length; i < len; i++) {
+                if (!isNaN(values[i])) {
+                    var indicatorAxis = coordSys._indicatorAxes[i];
+                    return coordSys.coordToPoint(indicatorAxis.dataToCoord(values[i]), i);
+                }
+            }
+        }
+    },
+
     defaultOption: {
         zlevel: 0,
         z: 2,
diff --git a/test/radar.html b/test/radar.html
index 4ab8f19e30..c0714748a1 100644
--- a/test/radar.html
+++ b/test/radar.html
@@ -93,10 +93,19 @@
                         ]
                     }]
                 });
-
+                var theIndex = 2;
                 chart.on('click', function (params) {
-                    console.log(params)
-                })
+                    console.log(params);
+                    if (theIndex < 0) {
+                        theIndex = 2;
+                    }
+                    chart.dispatchAction({
+                        type: 'showTip',
+                        seriesIndex: 0,
+                        dataIndex: theIndex
+                    });
+                    theIndex--;
+                });
             });
 
         </script>
diff --git a/test/runTest/actions/__meta__.json b/test/runTest/actions/__meta__.json
index b1e898d2ee..f643c59ba4 100644
--- a/test/runTest/actions/__meta__.json
+++ b/test/runTest/actions/__meta__.json
@@ -112,7 +112,7 @@
   "polar-rounded": 3,
   "polarLine": 1,
   "polarScatter": 1,
-  "radar": 1,
+  "radar": 2,
   "radar2": 1,
   "radar3": 1,
   "radar4": 1,
diff --git a/test/runTest/actions/radar.json b/test/runTest/actions/radar.json
index a7cb593248..78fd324c4e 100644
--- a/test/runTest/actions/radar.json
+++ b/test/runTest/actions/radar.json
@@ -1 +1 @@
-[{"name":"Action 1","ops":[{"type":"mousedown","time":340,"x":163,"y":20},{"type":"mouseup","time":450,"x":163,"y":20},{"time":451,"delay":500,"type":"screenshot-auto"},{"type":"mousemove","time":510,"x":168,"y":20},{"type":"mousemove","time":711,"x":320,"y":20},{"type":"mousemove","time":916,"x":339,"y":19},{"type":"mousedown","time":967,"x":339,"y":19},{"type":"mouseup","time":1060,"x":339,"y":19},{"time":1061,"delay":500,"type":"screenshot-auto"},{"type":"mousemove","time":1161,"x":341,"y":19},{"type":"mousemove","time":1361,"x":613,"y":16},{"type":"mousemove","time":1567,"x":643,"y":16},{"type":"mousedown","time":1619,"x":643,"y":16},{"type":"mouseup","time":1704,"x":643,"y":16},{"time":1705,"delay":500,"type":"screenshot-auto"},{"type":"mousedown","time":2574,"x":643,"y":16},{"type":"mouseup","time":2684,"x":643,"y":16},{"time":2685,"delay":500,"type":"screenshot-auto"},{"type":"mousemove","time":2761,"x":642,"y":16},{"type":"mousemove","time":2963,"x":564,"y":22},{"type":"mousemove","time":3163,"x":520,"y":20},{"type":"mousedown","time":3306,"x":517,"y":18},{"type":"mousemove","time":3372,"x":517,"y":18},{"type":"mouseup","time":3391,"x":517,"y":18},{"time":3392,"delay":500,"type":"screenshot-auto"},{"type":"mousemove","time":3820,"x":508,"y":19},{"type":"mousemove","time":4020,"x":227,"y":17},{"type":"mousedown","time":4182,"x":226,"y":17},{"type":"mousemove","time":4229,"x":226,"y":17},{"type":"mouseup","time":4285,"x":226,"y":17},{"time":4286,"delay":500,"type":"screenshot-auto"}],"scrollY":0,"scrollX":0,"timestamp":1568043188752}]
\ No newline at end of file
+[{"name":"Action 1","ops":[{"type":"mousedown","time":340,"x":163,"y":20},{"type":"mouseup","time":450,"x":163,"y":20},{"time":451,"delay":500,"type":"screenshot-auto"},{"type":"mousemove","time":510,"x":168,"y":20},{"type":"mousemove","time":711,"x":320,"y":20},{"type":"mousemove","time":916,"x":339,"y":19},{"type":"mousedown","time":967,"x":339,"y":19},{"type":"mouseup","time":1060,"x":339,"y":19},{"time":1061,"delay":500,"type":"screenshot-auto"},{"type":"mousemove","time":1161,"x":341,"y":19},{"type":"mousemove","time":1361,"x":613,"y":16},{"type":"mousemove","time":1567,"x":643,"y":16},{"type":"mousedown","time":1619,"x":643,"y":16},{"type":"mouseup","time":1704,"x":643,"y":16},{"time":1705,"delay":500,"type":"screenshot-auto"},{"type":"mousedown","time":2574,"x":643,"y":16},{"type":"mouseup","time":2684,"x":643,"y":16},{"time":2685,"delay":500,"type":"screenshot-auto"},{"type":"mousemove","time":2761,"x":642,"y":16},{"type":"mousemove","time":2963,"x":564,"y":22},{"type":"mousemove","time":3163,"x":520,"y":20},{"type":"mousedown","time":3306,"x":517,"y":18},{"type":"mousemove","time":3372,"x":517,"y":18},{"type":"mouseup","time":3391,"x":517,"y":18},{"time":3392,"delay":500,"type":"screenshot-auto"},{"type":"mousemove","time":3820,"x":508,"y":19},{"type":"mousemove","time":4020,"x":227,"y":17},{"type":"mousedown","time":4182,"x":226,"y":17},{"type":"mousemove","time":4229,"x":226,"y":17},{"type":"mouseup","time":4285,"x":226,"y":17},{"time":4286,"delay":500,"type":"screenshot-auto"}],"scrollY":0,"scrollX":0,"timestamp":1568043188752},{"name":"Action 2","ops":[{"type":"mousemove","time":600,"x":777,"y":264},{"type":"mousemove","time":806,"x":704,"y":236},{"type":"mousemove","time":933,"x":703,"y":232},{"type":"mousemove","time":1135,"x":688,"y":208},{"type":"mousemove","time":1333,"x":682,"y":201},{"type":"mousemove","time":1533,"x":682,"y":200},{"type":"mousemove","time":1737,"x":682,"y":197},{"type":"mousedown","time":1745,"x":682,"y":197},{"type":"mouseup","time":1908,"x":682,"y":197},{"time":1909,"delay":400,"type":"screenshot-auto"},{"type":"mousemove","time":2283,"x":682,"y":197},{"type":"mousedown","time":2325,"x":682,"y":196},{"type":"mouseup","time":2489,"x":682,"y":196},{"time":2490,"delay":400,"type":"screenshot-auto"},{"type":"mousemove","time":2497,"x":682,"y":196},{"type":"mousemove","time":2900,"x":682,"y":196},{"type":"mousedown","time":2940,"x":682,"y":196},{"type":"mouseup","time":3111,"x":682,"y":196},{"time":3112,"delay":400,"type":"screenshot-auto"},{"type":"mousemove","time":3499,"x":688,"y":199},{"type":"mousemove","time":3708,"x":798,"y":281}],"scrollY":0,"scrollX":0,"timestamp":1578309102517}]
\ No newline at end of file