feat(adm-diagram): 字体加粗改成600

adm-business/adm-diagram/src/main/java/com/persagy/adm/diagram/core/model/style/BaseStyle.java

@@ -30,7 +30,7 @@ public class BaseStyle {
 	 * 字体粗细
 	 */
 	@Expose
-	protected int fontWeight = 500;
+	protected int fontWeight = 600;
 
 	/**
 	 * 字体名称