diff --git a/server/auth_audit_test.go b/server/auth_audit_test.go
index 183cf76..928d252 100644
--- a/server/auth_audit_test.go
+++ b/server/auth_audit_test.go
@@ -2,6 +2,8 @@ package main
 
 import (
 	"errors"
+	"net/http/httptest"
+	"reflect"
 	"strings"
 	"testing"
 
@@ -75,6 +77,23 @@ func TestMessageQuerySpecsExposeAdminFields(t *testing.T) {
 	}
 }
 
+func TestGroupMessageQuerySupportsOperationalFilters(t *testing.T) {
+	req := httptest.NewRequest("GET", "/?seq_id=42&sender_username=alice&sender_nickname=%E5%B0%8F%E6%98%8E&group_name=%E6%B5%8B%E8%AF%95%E7%BE%A4", nil)
+	query, _, args, _, _, err := buildInternalAdminListQuery(req, groupMessagesInternalQuerySpec(), "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, clause := range []string{"m.seqid = ?", "u.username LIKE ?", "p.nickname LIKE ?", "gs.name LIKE ?"} {
+		if !strings.Contains(query, clause) {
+			t.Errorf("group message query missing %q: %s", clause, query)
+		}
+	}
+	want := []any{int64(42), "%alice%", "%小明%", "%测试群%"}
+	if !reflect.DeepEqual(args, want) {
+		t.Fatalf("unexpected filter arguments: got %#v, want %#v", args, want)
+	}
+}
+
 func TestRedactClientMessageForLog(t *testing.T) {
 	raw := []byte(`{"login":{"id":"1","scheme":"basic","secret":"YWxpY2U6YWxpY2UxMjM="},"acc":{"secret":"account-secret","tmpsecret":"temp-secret"}}`)
 	redacted := string(redactClientMessageForLog(raw))
diff --git a/server/internal_admin_query_resources.go b/server/internal_admin_query_resources.go
index df34ea5..b9aa00e 100644
--- a/server/internal_admin_query_resources.go
+++ b/server/internal_admin_query_resources.go
@@ -330,7 +330,19 @@ func groupMessagesInternalQuerySpec() *internalQuerySpec {
 			LEFT JOIN im_group_settings AS gs ON gs.topic=m.topic COLLATE utf8mb4_0900_ai_ci
 			LEFT JOIN im_message_admin_actions AS aa ON aa.id=(SELECT MAX(a2.id) FROM im_message_admin_actions AS a2 WHERE a2.conversation_type='group' AND a2.topic=m.topic COLLATE utf8mb4_0900_ai_ci AND a2.seqid=m.seqid AND a2.action_status='success')`,
 		DefaultSort: "ORDER BY m.id DESC",
-		Filters:     []internalQueryFilter{{"topic", "m.topic", "LIKE", "string"}, {"sender_user_id", "m.from_user", "=", "uid"}, {"content_type", contentType, "=", "string"}, {"status", status, "=", "string"}, {"keyword", "CAST(m.content AS CHAR)", "LIKE", "string"}, {"created_at_start", "m.created_at", ">=", "time"}, {"created_at_end", "m.created_at", "<=", "time"}},
+		Filters: []internalQueryFilter{
+			{"topic", "m.topic", "LIKE", "string"},
+			{"seq_id", "m.seqid", "=", "int"},
+			{"sender_user_id", "m.from_user", "=", "uid"},
+			{"sender_username", "u.username", "LIKE", "string"},
+			{"sender_nickname", "p.nickname", "LIKE", "string"},
+			{"group_name", "gs.name", "LIKE", "string"},
+			{"content_type", contentType, "=", "string"},
+			{"status", status, "=", "string"},
+			{"keyword", "CAST(m.content AS CHAR)", "LIKE", "string"},
+			{"created_at_start", "m.created_at", ">=", "time"},
+			{"created_at_end", "m.created_at", "<=", "time"},
+		},
 	}
 }