diff --git a/src/main/java/cn/axzo/pokonyan/dao/wrapper/CriteriaField.java b/src/main/java/cn/axzo/pokonyan/dao/wrapper/CriteriaField.java
index 660ec82..3275bc8 100644
--- a/src/main/java/cn/axzo/pokonyan/dao/wrapper/CriteriaField.java
+++ b/src/main/java/cn/axzo/pokonyan/dao/wrapper/CriteriaField.java
@@ -32,6 +32,12 @@ public @interface CriteriaField {
      */
     boolean filterNull() default true;
 
+    /**
+     * 默认为true，当value为""的时候，自动过滤该查询条件.
+     * @return
+     */
+    boolean filterBlank() default true;
+
     /**
      * 是否忽略该字段的查询条件
      *
diff --git a/src/main/java/cn/axzo/pokonyan/dao/wrapper/CriteriaWrapper.java b/src/main/java/cn/axzo/pokonyan/dao/wrapper/CriteriaWrapper.java
index 3ff907b..ee7f244 100644
--- a/src/main/java/cn/axzo/pokonyan/dao/wrapper/CriteriaWrapper.java
+++ b/src/main/java/cn/axzo/pokonyan/dao/wrapper/CriteriaWrapper.java
@@ -338,6 +338,12 @@ public class CriteriaWrapper {
                 return null;
             }
 
+            if (fieldAnnotation.filterBlank()
+                    && (value instanceof String)
+                    && StringUtils.isBlank((String) value)) {
+                return null;
+            }
+
             String fieldName = Strings.isNullOrEmpty(fieldAnnotation.field()) ? field : fieldAnnotation.field();
             // XXX 注解中获取的operator如果为EQ，无法判断是用户手动设置为EQ还是使用的默认operator.EQ，这里暂时保持原状
             return build(fieldName, fieldAnnotation.operator(), value, fieldAnnotation.prefix());