diff --git a/src/components/chart/Chart.vue b/src/components/chart/Chart.vue
index ce08e2b02..d8e712ff2 100755
--- a/src/components/chart/Chart.vue
+++ b/src/components/chart/Chart.vue
@@ -12,8 +12,14 @@ export default {
         type: String,
         data: null,
         options: null,
-        width: Number,
-        height: Number
+        width: {
+            type: Number,
+            default: 300
+        },
+        height: {
+            type: Number,
+            default: 150
+        },
     },
     chart: null,
     mounted() {
diff --git a/src/views/chart/ChartDoc.vue b/src/views/chart/ChartDoc.vue
index b872ace82..64b6a115f 100755
--- a/src/views/chart/ChartDoc.vue
+++ b/src/views/chart/ChartDoc.vue
@@ -112,14 +112,14 @@ options: {
                     </tr>
                     <tr>
                         <td>width</td>
-                        <td>string</td>
-                        <td>null</td>
+                        <td>number</td>
+                        <td>300</td>
                         <td>Width of the chart in non-responsive mode.</td>
                     </tr>
                     <tr>
                         <td>height</td>
-                        <td>string</td>
-                        <td>null</td>
+                        <td>number</td>
+                        <td>150</td>
                         <td>Height of the chart in non-responsive mode.</td>
                     </tr>
 				</tbody>