Merge branch 'eta_bug_6482_chart_config_1211@guomengyuan' into debug

services/data/chart_theme.go

@@ -713,7 +713,6 @@ func ConvertOldChartOptions(config string) (newConfig string, err error) {
 		}
 		newTheme.LineOptionList = append(newTheme.LineOptionList, newLineOption)
 	}
-	newTheme.DrawOption = oldTheme.DrawOption
 	newThemeStr, _ := json.Marshal(newTheme)
 	newConfig = string(newThemeStr)
 	return