diff --git a/src/chart/lines/LinesSeries.ts b/src/chart/lines/LinesSeries.ts
index f97b6a0b97..7b8ff2878c 100644
--- a/src/chart/lines/LinesSeries.ts
+++ b/src/chart/lines/LinesSeries.ts
@@ -306,7 +306,7 @@ class LinesSeriesModel extends SeriesModel<LinesSeriesOption> {
         if (__DEV__) {
             const CoordSys = CoordinateSystem.get(option.coordinateSystem);
             if (!CoordSys) {
-                throw new Error('Unkown coordinate system ' + option.coordinateSystem);
+                throw new Error('Unknown coordinate system ' + option.coordinateSystem);
             }
         }
 
diff --git a/src/model/Global.ts b/src/model/Global.ts
index cadc98b20d..8cd57d3d96 100644
--- a/src/model/Global.ts
+++ b/src/model/Global.ts
@@ -427,7 +427,7 @@ import { ${seriesImportName} } from 'echarts/charts';
 echarts.use([${seriesImportName}]);`);
                                 }
                                 else {
-                                    error(`Unkown series ${subType}`);
+                                    error(`Unknown series ${subType}`);
                                 }
                             }
                         }
diff --git a/src/visual/style.ts b/src/visual/style.ts
index 0a1888f99c..b0937229bc 100644
--- a/src/visual/style.ts
+++ b/src/visual/style.ts
@@ -43,7 +43,7 @@ function getStyleMapper(seriesModel: SeriesModel, stylePath: string) {
     const styleMapper = seriesModel.visualStyleMapper
         || defaultStyleMappers[stylePath as 'itemStyle' | 'lineStyle'];
     if (!styleMapper) {
-        console.warn(`Unkown style type '${stylePath}'.`);
+        console.warn(`Unknown style type '${stylePath}'.`);
         return defaultStyleMappers.itemStyle;
     }
     return styleMapper;
@@ -55,7 +55,7 @@ function getDefaultColorKey(seriesModel: SeriesModel, stylePath: string): 'strok
         || defaultColorKey[stylePath as 'itemStyle' | 'lineStyle'];
 
     if (!colorKey) {
-        console.warn(`Unkown style type '${stylePath}'.`);
+        console.warn(`Unknown style type '${stylePath}'.`);
         return 'fill';
     }