作品搜索bug

src/main/java/org/springblade/gateway/active_gateway/service/impl/ProductSearchServiceImpl.java

@@ -32,7 +32,7 @@ public class ProductSearchServiceImpl implements ProductSearchService {
 		LambdaQueryWrapper<ActiveProductRecord> wrapper = new LambdaQueryWrapper<>();
 
 		//判断keyword的类型,手机号or编号or标题
-		if (keyword != null){
+		if (keyword != null && !"".equals(keyword)){
 			if (Pattern.matches("[1][3578]\\d{9}",keyword)){
 				wrapper.eq(ActiveProductRecord::getPhone,keyword);
 			}else if (keyword.length() < 4 && Pattern.matches("[0-9]*",keyword)){