diff --git a/ludu-module-datacenter/ludu-module-datacenter-biz/src/main/java/cn/iocoder/yudao/module/datacenter/controller/admin/saledata/SaleDataApi.java b/ludu-module-datacenter/ludu-module-datacenter-biz/src/main/java/cn/iocoder/yudao/module/datacenter/controller/admin/saledata/SaleDataApi.java
index d7cbe87e4..8b5f6e07e 100644
--- a/ludu-module-datacenter/ludu-module-datacenter-biz/src/main/java/cn/iocoder/yudao/module/datacenter/controller/admin/saledata/SaleDataApi.java
+++ b/ludu-module-datacenter/ludu-module-datacenter-biz/src/main/java/cn/iocoder/yudao/module/datacenter/controller/admin/saledata/SaleDataApi.java
@@ -11,6 +11,8 @@ import javax.annotation.Resource;
 import java.math.BigDecimal;
 import java.util.List;
 import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
 
@@ -40,7 +42,14 @@ public class SaleDataApi {
     @GetMapping("/lastyear/{startTime}")
     @Operation(summary = "获得去年日期往前推十天的数据")
     public List<Map<String, String>> lastyearNum(@PathVariable("startTime") String startTime) {
-        return saleDataService.findCheckticketcountBytime(startTime);
+        String resultStr = startTime.replaceAll("-", "");
+        // 正则表达式匹配 yyyyMMdd 格式
+        Pattern pattern = Pattern.compile("^\\d{8}$");
+        Matcher matcher = pattern.matcher(resultStr);
+        if (matcher.matches()){
+            return saleDataService.findCheckticketcountBytime(resultStr);
+        }
+        return null;
     }
 
     @GetMapping("/gender")