fix: 当设置 Hash Key fields 为多个时，HSet 命令会报错，这里使用 HMSet 即可

backend/services/connection_service.go

@@ -663,7 +663,7 @@ func (c *connectionService) SetKeyValue(connName string, db int, key, keyType st
 			return
 		} else {
 			if len(strs) > 1 {
-				err = rdb.HSet(ctx, key, strs).Err()
+				err = rdb.HMSet(ctx, key, strs).Err()
 				if err == nil && expiration > 0 {
 					rdb.Expire(ctx, key, expiration)
 				}
@@ -795,7 +795,7 @@ func (c *connectionService) AddHashField(connName string, db int, key string, ac
 		}
 	default:
 		// overwrite duplicated fields
-		_, err = rdb.HSet(ctx, key, fieldItems...).Result()
+		_, err = rdb.HMSet(ctx, key, fieldItems...).Result()
 		for i := 0; i < len(fieldItems); i += 2 {
 			updated[fieldItems[i].(string)] = fieldItems[i+1]
 		}