增加空判断

designer-chart/src/main/java/com/fr/van/chart/designer/component/VanChartRichEditorPane.java

@@ -13,6 +13,7 @@ import com.teamdev.jxbrowser.chromium.JSValue;
 import com.teamdev.jxbrowser.chromium.events.ScriptContextAdapter;
 import com.teamdev.jxbrowser.chromium.events.ScriptContextEvent;
 
+import java.util.Locale;
 import java.util.Map;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -118,7 +119,13 @@ public class VanChartRichEditorPane {
     }
 
     public static String generateTransformI18nJS() {
-        String language = DesignerEnvManager.getEnvManager().getLanguage().toString();
+        String language = "zh_CN";
+
+        Locale locale = DesignerEnvManager.getEnvManager().getLanguage();
+
+        if (locale != null) {
+            language = locale.toString();
+        }
 
         return "!(function () { window.transformI18n && window.transformI18n('" + language + "' || 'zh_CN'); }());";
     }