add FXTimiInject

src/main/java/com/imyeyu/fx/config/BindingsConfig.java

@@ -155,6 +155,9 @@ public final class BindingsConfig {
 
 		@Override
 		protected String serialize(Field field, ObjectProperty<Color> property) {
+			if (property.getValue() == null) {
+				return null;
+			}
 			return TimiFX.toHexString(property.getValue());
 		}
 
@@ -173,7 +176,14 @@ public final class BindingsConfig {
 
 		@Override
 		protected String serialize(Field field, ObjectProperty<Paint> property) {
-			return TimiFX.toHexString(Color.valueOf(property.toString()));
+			Paint paint = property.getValue();
+			if (paint == null) {
+				return null;
+			}
+			if (paint instanceof Color color) {
+				return TimiFX.toHexString(color);
+			}
+			return paint.toString();
 		}
 
 		@Override
@@ -191,6 +201,9 @@ public final class BindingsConfig {
 
 		@Override
 		protected String serialize(Field field, ObjectProperty<Background> property) {
+			if (property.getValue() == null || property.getValue().getFills().isEmpty()) {
+				return null;
+			}
 			return TimiFX.toHexString(Color.valueOf(property.getValue().getFills().getFirst().getFill().toString()));
 		}
 
@@ -225,7 +238,7 @@ public final class BindingsConfig {
 					throw new RuntimeException(e);
 				}
 			}
-			throw new RuntimeException("not found " + field.getType() + " property converter");
+			throw new RuntimeException("未找到 " + field.getType() + " 属性转换器");
 		}
 
 		@SuppressWarnings("unchecked")
@@ -249,7 +262,7 @@ public final class BindingsConfig {
 					throw new RuntimeException(e);
 				}
 			}
-			throw new RuntimeException("not found " + genericType + " property converter");
+			throw new RuntimeException("未找到 " + genericType + " 属性转换器");
 		}
 	};