diff --git a/blog/src/main/java/liuyuyang/net/core/config/CatePatternEnumConverter.java b/blog/src/main/java/liuyuyang/net/core/config/CatePatternEnumConverter.java
new file mode 100644
index 0000000..f29922c
--- /dev/null
+++ b/blog/src/main/java/liuyuyang/net/core/config/CatePatternEnumConverter.java
@@ -0,0 +1,31 @@
+package liuyuyang.net.core.config;
+
+import liuyuyang.net.enums.cate.CatePatternEnum;
+import org.springframework.core.convert.converter.Converter;
+import org.springframework.stereotype.Component;
+
+import java.util.Locale;
+
+/**
+ * Spring MVC 对查询参数、表单等使用 {@link org.springframework.core.convert.ConversionService} 绑定，
+ * 默认按 {@link Enum#valueOf}（整段字符串须等于常量名）。本类将字符串转为枚举，与 Jackson 的
+ * {@code @JsonCreator} / {@code fromJson} 行为一致（tree、list），并兼容 TREE、LIST。
+ *
+ * <p>这是 Spring Framework 文档中推荐的自定义绑定方式：实现 {@link Converter} 并注册为 Bean。
+ */
+@Component
+public class CatePatternEnumConverter implements Converter<String, CatePatternEnum> {
+
+    @Override
+    public CatePatternEnum convert(String source) {
+        if (source == null || source.isEmpty()) {
+            return null;
+        }
+        String s = source.trim();
+        try {
+            return CatePatternEnum.fromJson(s);
+        } catch (IllegalArgumentException ignored) {
+            return CatePatternEnum.valueOf(s.toUpperCase(Locale.ROOT));
+        }
+    }
+}