refactor: 项目结构合理性优化

src/main/java/com/youlai/system/model/dto/CaptchaResult.java

@@ -0,0 +1,24 @@
+package com.youlai.system.model.dto;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Builder;
+import lombok.Data;
+
+/**
+ * 验证码响应对象
+ *
+ * @author haoxr
+ * @since 2023/03/24
+ */
+@Schema(description ="验证码响应对象")
+@Builder
+@Data
+public class CaptchaResult {
+
+    @Schema(description = "验证码缓存key")
+    private String verifyCodeKey;
+
+    @Schema(description = "验证码图片Base64字符串")
+    private String verifyCodeBase64;
+
+}