One, how to open a single-leaf glass door lock
A single-leaf glass door typically has a handle. If the door does not have a locking mechanism, we can simply press the handle down to open the door. If the door lock is engaged, we need to first use a key to unlock it, and then press the handle down to open the door.
Two. What should I do if the lock on a single-pane glass door is not opening?

1、Opening method for the tongue-and-groove locking mechanism.
Generally, doors become stuck due to external forces, which may be caused by the locking mechanism detaching or being deformed. This can also occur if the screws securing the locking mechanism are loose or detached, preventing the door from opening or closing properly. In such cases, the best immediate solution is to locate the locking mechanism and re-insert the detached screws from the inside.
2、Method for opening a door lock due to foreign objects
In general, when foreign objects get stuck inside a door lock, making it impossible to turn the key or manipulate the handle, you need to find a way to open the lock. First, determine whether the door opens inward or outward. If it opens inward, apply inward force. If it opens outward, apply inward force.
3. Use a knife or a stiff card to break the surface.
At this stage, a knife with a sharp and narrow blade is required. The sharper the blade, the better. First, position the door from the outside to press against the central, retractable part (also known as the locking axis). Ensure that the locking axis does not come into contact with the lock slot to minimize friction. Then, insert the knife into the gap between the lock slot and the locking axis, applying force in the direction of the locking axis's free movement. You may need to repeat this several times. Pay close attention to safety during this process.
4、Please contact a professional locksmith.
If none of the above methods work, consider hiring a professional locksmith to open the door. This is the best way to protect the door from damage and ensure that a reputable locksmith is hired, as the safety of the home is at stake.