@IdCard NPE处理。

src/main/java/cn/quantgroup/xyqb/validator/IdCardValidator.java

 package cn.quantgroup.xyqb.validator;
 
 import cn.quantgroup.xyqb.util.IdcardValidator;
-import cn.quantgroup.xyqb.util.ValidationUtil;
+import org.apache.commons.lang3.StringUtils;
 
 import javax.validation.ConstraintValidator;
 import javax.validation.ConstraintValidatorContext;
@@ -30,6 +30,9 @@ public class IdCardValidator implements ConstraintValidator<IdCard, String> {
      */
     @Override
     public boolean isValid(String idCard, ConstraintValidatorContext context) {
+        if (StringUtils.isNotBlank(idCard)) {
             return IdcardValidator.isValidate18Idcard(idCard);
         }
+        return true;
+    }
 }