diff --git a/src/main/java/org/ntlab/acanthus_server/entities/AidJson.java b/src/main/java/org/ntlab/acanthus_server/entities/AidJson.java
new file mode 100644
index 0000000..f333f0d
--- /dev/null
+++ b/src/main/java/org/ntlab/acanthus_server/entities/AidJson.java
@@ -0,0 +1,22 @@
+package org.ntlab.acanthus_server.entities;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class AidJson {
+    @JsonProperty("message")
+    private String message = "success";
+    @JsonProperty("aid")
+    private Integer aid;
+
+    public AidJson(Integer aid){
+        this.aid = aid;
+    }
+
+    public Integer getAid() {
+        return aid;
+    }
+
+    public void setAid(Integer aid){
+        this.aid = aid;
+    }
+}