diff --git a/frontend/packages/core/src/resource/scalar/chart.ts b/frontend/packages/core/src/resource/scalar/chart.ts
index a695f331c11b0f20f43b8aa768d24262a4c95e8a..6aa68ce1c04f33bc5a996aef6174e7f9a667cd5e 100644
--- a/frontend/packages/core/src/resource/scalar/chart.ts
+++ b/frontend/packages/core/src/resource/scalar/chart.ts
@@ -153,19 +153,22 @@ export const chartData = ({
                 const rawDataset = rawData[i];
                 const infData: [Step, Value][] = [];
                 const nanData: [Step, Value][] = [];
-                let lastValidValue: Value = null;
-                rawDataset.forEach(([, x, y], j) => {
-                    if (j > 0) {
-                        if (dataset[j][2] != null) {
-                            lastValidValue = dataset[j][2];
+                // FIXME: react async update...
+                if (rawDataset.length === dataset.length) {
+                    let lastValidValue: Value = null;
+                    rawDataset.forEach(([, x, y], j) => {
+                        if (j > 0) {
+                            if (dataset[j][2] != null) {
+                                lastValidValue = dataset[j][2];
+                            }
                         }
-                    }
-                    if (y === INF_VALUE) {
-                        infData.push([x, lastValidValue]);
-                    } else if (y === NAN_VALUE) {
-                        nanData.push([x, lastValidValue]);
-                    }
-                });
+                        if (y === INF_VALUE) {
+                            infData.push([x, lastValidValue]);
+                        } else if (y === NAN_VALUE) {
+                            nanData.push([x, lastValidValue]);
+                        }
+                    });
+                }
                 result.push({
                     data: infData,
                     symbolShow: false,
diff --git a/visualdl/version.py b/visualdl/version.py
index a6bb5889b74ee5bf58d0de29563ab0888fbb90dd..af9c267e9e25f3e5a5b355aa332d90235d418f2a 100644
--- a/visualdl/version.py
+++ b/visualdl/version.py
@@ -13,4 +13,4 @@
 # limitations under the License.
 # =======================================================================
 
-vdl_version = '2.2.1'
+vdl_version = '2.2.3'