diff --git a/rest-proxy-core/src/main/java/group/flyfish/rest/core/entity/Multipart.java b/rest-proxy-api/src/main/java/group/flyfish/rest/entity/Multipart.java
similarity index 87%
rename from rest-proxy-core/src/main/java/group/flyfish/rest/core/entity/Multipart.java
rename to rest-proxy-api/src/main/java/group/flyfish/rest/entity/Multipart.java
index c713520..8c25364 100644
--- a/rest-proxy-core/src/main/java/group/flyfish/rest/core/entity/Multipart.java
+++ b/rest-proxy-api/src/main/java/group/flyfish/rest/entity/Multipart.java
@@ -1,4 +1,4 @@
-package group.flyfish.rest.core.entity;
+package group.flyfish.rest.entity;
 
 import lombok.AllArgsConstructor;
 import lombok.Getter;
diff --git a/rest-proxy-core/src/main/java/group/flyfish/rest/core/client/RestClientBuilder.java b/rest-proxy-core/src/main/java/group/flyfish/rest/core/client/RestClientBuilder.java
index 028540e..f5b4c8a 100644
--- a/rest-proxy-core/src/main/java/group/flyfish/rest/core/client/RestClientBuilder.java
+++ b/rest-proxy-core/src/main/java/group/flyfish/rest/core/client/RestClientBuilder.java
@@ -1,6 +1,6 @@
 package group.flyfish.rest.core.client;
 
-import group.flyfish.rest.core.entity.Multipart;
+import group.flyfish.rest.entity.Multipart;
 import group.flyfish.rest.enums.HttpMethod;
 import group.flyfish.rest.utils.DataUtils;
 import group.flyfish.rest.utils.JacksonUtil;
diff --git a/rest-proxy-core/src/main/java/group/flyfish/rest/registry/proxy/support/ArgumentResolveContext.java b/rest-proxy-core/src/main/java/group/flyfish/rest/registry/proxy/support/ArgumentResolveContext.java
index c856955..8ba537d 100644
--- a/rest-proxy-core/src/main/java/group/flyfish/rest/registry/proxy/support/ArgumentResolveContext.java
+++ b/rest-proxy-core/src/main/java/group/flyfish/rest/registry/proxy/support/ArgumentResolveContext.java
@@ -1,7 +1,7 @@
 package group.flyfish.rest.registry.proxy.support;
 
 import group.flyfish.rest.annotation.RestApi;
-import group.flyfish.rest.core.entity.Multipart;
+import group.flyfish.rest.entity.Multipart;
 import group.flyfish.rest.utils.DataUtils;
 import lombok.Builder;
 import lombok.Data;
diff --git a/rest-proxy-core/src/main/java/group/flyfish/rest/registry/proxy/support/resolvers/RestPartArgumentResolver.java b/rest-proxy-core/src/main/java/group/flyfish/rest/registry/proxy/support/resolvers/RestPartArgumentResolver.java
index d29201e..bcc1e18 100644
--- a/rest-proxy-core/src/main/java/group/flyfish/rest/registry/proxy/support/resolvers/RestPartArgumentResolver.java
+++ b/rest-proxy-core/src/main/java/group/flyfish/rest/registry/proxy/support/resolvers/RestPartArgumentResolver.java
@@ -1,7 +1,7 @@
 package group.flyfish.rest.registry.proxy.support.resolvers;
 
 import group.flyfish.rest.annotation.RestPart;
-import group.flyfish.rest.core.entity.Multipart;
+import group.flyfish.rest.entity.Multipart;
 import group.flyfish.rest.registry.proxy.support.ArgumentResolveContext;
 import group.flyfish.rest.registry.proxy.support.RestArgumentResolver;
 
diff --git a/rest-proxy-core/src/test/java/group/flyfish/rest/MultipartTest.java b/rest-proxy-core/src/test/java/group/flyfish/rest/MultipartTest.java
index 82dd7c2..51afbca 100644
--- a/rest-proxy-core/src/test/java/group/flyfish/rest/MultipartTest.java
+++ b/rest-proxy-core/src/test/java/group/flyfish/rest/MultipartTest.java
@@ -4,7 +4,7 @@ import group.flyfish.rest.annotation.RestApi;
 import group.flyfish.rest.annotation.RestPart;
 import group.flyfish.rest.annotation.RestService;
 import group.flyfish.rest.container.RestTestContainer;
-import group.flyfish.rest.core.entity.Multipart;
+import group.flyfish.rest.entity.Multipart;
 import group.flyfish.rest.enums.HttpMethod;
 import lombok.extern.slf4j.Slf4j;
 import org.junit.Test;