fix(sync): 修复decimal字段为空时抛出异常 使用返回null替代

utils/sync/src/main/java/com/lanyuanxiaoyao/service/sync/functions/type/TypeConverterV2.java

@@ -133,6 +133,9 @@ public class TypeConverterV2 implements TypeConverter {
         } else {
             for (Schema type : schema.getTypes()) {
                 if (type.getLogicalType() instanceof LogicalTypes.Decimal) {
+                    if (StrUtil.isBlankIfStr(value)) {
+                        return null;
+                    }
                     LogicalTypes.Decimal decimalType = (LogicalTypes.Decimal) type.getLogicalType();
                     int precision = decimalType.getPrecision();
                     int scala = decimalType.getScale();