diff --git a/ruoyi-modules/ruoyi-mall/src/main/java/org/dromara/mall/service/impl/TzProdServiceImpl.java b/ruoyi-modules/ruoyi-mall/src/main/java/org/dromara/mall/service/impl/TzProdServiceImpl.java
index 3e952e3..5ff59c3 100644
--- a/ruoyi-modules/ruoyi-mall/src/main/java/org/dromara/mall/service/impl/TzProdServiceImpl.java
+++ b/ruoyi-modules/ruoyi-mall/src/main/java/org/dromara/mall/service/impl/TzProdServiceImpl.java
@@ -110,7 +110,8 @@ public class TzProdServiceImpl extends MPJBaseServiceImpl<TzProdMapper,TzProd> i
             .eq(TzProd::getStatus, 1)
             .and(wrapper -> {
                 for (Long id : categoryId) {
-                    wrapper.or(w -> w.like(TzProd::getCategoryId, String.valueOf(id)));
+                    // 生成 FIND_IN_SET(id,category_id) 的SQL条件
+                    wrapper.or().apply("FIND_IN_SET({0}, category_id)", id);
                 }
             })
             .orderByDesc(TzProd::getPutawayTime);
@@ -181,7 +182,10 @@ public class TzProdServiceImpl extends MPJBaseServiceImpl<TzProdMapper,TzProd> i
         lqw.like(StringUtils.isNotBlank(bo.getFactoryAddress()), TzProd::getFactoryAddress, bo.getFactoryAddress());
         lqw.eq(bo.getStatus() != null, TzProd::getStatus, bo.getStatus());
         lqw.eq(bo.getExamineFlag() != null, TzProd::getExamineFlag, bo.getExamineFlag());
-        lqw.like(bo.getCategoryId() != null, TzProd::getCategoryId, bo.getCategoryId());
+//        lqw.like(bo.getCategoryId() != null, TzProd::getCategoryId, bo.getCategoryId());
+        if(bo.getCategoryId() != null){
+            lqw.or().apply("FIND_IN_SET({0}, t.category_id)", bo.getCategoryId());
+        }
         lqw.between(params.get("beginTime") != null && params.get("endTime") != null,
             TzProd::getPutawayTime, params.get("beginTime"), params.get("endTime"));
         return lqw;