fix: list query issues

backend/app/models/posts.go

@@ -3,6 +3,7 @@ package models
 import (
 	"context"
 	"errors"
+	"log"
 	"time"
 
 	"quyun/app/requests"
@@ -34,16 +35,19 @@ func (m *postsModel) BuildConditionWithKey(key *string) BoolExpression {
 	)
 
 	if key == nil || *key == "" {
+		log.Fatal(*key)
 		return cond
 	}
 
-	cond = tbl.Title.LIKE(String("%" + *key + "%")).
-		OR(
-			tbl.Content.LIKE(String("%" + *key + "%")),
-		).
-		OR(
-			tbl.Description.LIKE(String("%" + *key + "%")),
-		)
+	cond = cond.AND(
+		tbl.Title.LIKE(String("%" + *key + "%")).
+			OR(
+				tbl.Content.LIKE(String("%" + *key + "%")),
+			).
+			OR(
+				tbl.Description.LIKE(String("%" + *key + "%")),
+			),
+	)
 
 	return cond
 }
@@ -135,7 +139,7 @@ func (m *postsModel) List(ctx context.Context, pagination *requests.Pagination,
 		OFFSET(pagination.Offset)
 	m.log.Infof("sql: %s", stmt.DebugSql())
 
-	var posts []model.Posts
+	var posts []model.Posts = make([]model.Posts, 0)
 	err := stmt.QueryContext(ctx, db, &posts)
 	if err != nil {
 		m.log.Errorf("error querying post items: %v", err)