diff --git a/common/src/main/java/com/alibaba/nacos/common/http/param/MediaType.java b/common/src/main/java/com/alibaba/nacos/common/http/param/MediaType.java
index ecb05abb19a..4838f961384 100644
--- a/common/src/main/java/com/alibaba/nacos/common/http/param/MediaType.java
+++ b/common/src/main/java/com/alibaba/nacos/common/http/param/MediaType.java
@@ -28,7 +28,7 @@ private MediaType() {
     
     public static final String APPLICATION_ATOM_XML = "application/atom+xml";
     
-    public static final String APPLICATION_FORM_URLENCODED = "application/x-www-form-urlencoded";
+    public static final String APPLICATION_FORM_URLENCODED = "application/x-www-form-urlencoded;charset=UTF-8";
     
     public static final String APPLICATION_OCTET_STREAM = "application/octet-stream";
     
@@ -36,14 +36,14 @@ private MediaType() {
     
     public static final String APPLICATION_XHTML_XML = "application/xhtml+xml";
     
-    public static final String APPLICATION_XML = "application/xml";
+    public static final String APPLICATION_XML = "application/xml;charset=UTF-8";
     
-    public static final String APPLICATION_JSON = "application/json";
+    public static final String APPLICATION_JSON = "application/json;charset=UTF-8";
     
-    public static final String MULTIPART_FORM_DATA = "multipart/form-data";
+    public static final String MULTIPART_FORM_DATA = "multipart/form-data;charset=UTF-8";
     
-    public static final String TEXT_HTML = "text/html";
+    public static final String TEXT_HTML = "text/html;charset=UTF-8";
     
-    public static final String TEXT_PLAIN = "text/plain";
+    public static final String TEXT_PLAIN = "text/plain;charset=UTF-8";
     
 }