diff --git a/backend/internal/handler/instance_detail.go b/backend/internal/handler/instance_detail.go
index 0636f05..8941b97 100644
--- a/backend/internal/handler/instance_detail.go
+++ b/backend/internal/handler/instance_detail.go
@@ -717,13 +717,16 @@ func executeRedisQuery(instance *model.Instance, dbSelect string, command string
 		args = append(args, p)
 	}
 
-	// For KEYS command, use SCAN with COUNT instead for safety + pagination
-	if cmd == "KEYS" && strings.Contains(parts[len(parts)-1], "*") {
-		// Replace KEYS * with SCAN-based pagination
+	// For KEYS command, use SCAN with pagination (auto-append * if no wildcard)
+	if cmd == "KEYS" {
 		pattern := "*"
 		if len(parts) > 1 {
 			pattern = parts[1]
 		}
+		// Auto-append * if pattern has no wildcard
+		if !strings.Contains(pattern, "*") && !strings.Contains(pattern, "?") && !strings.Contains(pattern, "[") {
+			pattern = pattern + "*"
+		}
 		var allKeys []string
 		cursor := uint64(0)
 		maxScan := offset + limit