Merge branch 'release/3.0' into dev/dev_xp

# Conflicts:
#	src/main/java/com/ai/da/mapper/primary/DesignMapper.java
#	src/main/resources/mapper/primary/DesignMapper.xml

src/main/java/com/ai/da/model/dto/UserDesignStatisticDTO.java

@@ -0,0 +1,17 @@
+package com.ai.da.model.dto;
+
+import lombok.Data;
+
+@Data
+public class UserDesignStatisticDTO {
+
+    private Long accountId;
+
+    private Long useDesignTimes;
+
+    private String userEmail;
+
+    private String userName;
+
+    private String isTrial;
+}