修改买家统计的逻

src/main/java/com/rj/controller/LbBuyerShoppingController.java

@@ -66,13 +66,13 @@ public class LbBuyerShoppingController {
 
     @PostMapping("/generate-stat")
     @Operation(
-            summary = "按买家生成天统计或总和统计",
+            summary = "全表按买家生成天统计或总和统计",
             description =
-                    "根据 buyerId 汇总 detail_data 明细：day_stat 按购买日期每天生成一条统计"
-                            + "（stat_total_money、total_order_count、avg_amount）；"
-                            + "sum_data 生成该买家全部订单的一条总和统计")
+                    "扫描全表 detail_data 明细并按 buyer_id 分组：day_stat 为每个买家按购买日期"
+                            + "每天生成一条统计（stat_total_money、total_order_count、avg_amount）；"
+                            + "sum_data 为每个买家生成一条总和统计")
     public ResponseEntity<Map<String, Object>> generateStat(
-            @Parameter(description = "买家 ID 与统计类型（day_stat / sum_data）", required = true)
+            @Parameter(description = "统计类型（day_stat / sum_data）", required = true)
             @RequestBody LbBuyerShoppingGenerateStatRequest request) {
         Map<String, Object> result = lbBuyerShoppingService.generateBuyerStat(request);
         return toResponse(result);