diff --git a/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/enumutil/CommonEnumUtil.java b/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/enumutil/CommonEnumUtil.java
index a549eee..3756ccf 100644
--- a/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/enumutil/CommonEnumUtil.java
+++ b/modules/i3plus-pojo-base/src/main/java/cn/estsh/i3plus/pojo/base/enumutil/CommonEnumUtil.java
@@ -910,9 +910,10 @@ public class CommonEnumUtil {
     @JsonFormat(shape = JsonFormat.Shape.OBJECT)
     public enum CONTENT_TYPE {
         FORM("x-www-form-urlencoded", "表单"),
-        FILE(" multipart/form-data", "文件"),
-        JSON(" application/json", "JSON"),
-        XML(" application/xml ", "XML");
+        FILE("multipart/form-data", "文件"),
+        JSON("application/json", "JSON"),
+        NONE("default", "默认不需要设置Content-Type"),
+        XML("application/xml", "XML");
 
         private String value;
         private String description;