Two methods are provided for your reference: 1. Blow with a hair dryer until the glue softens, then tear it off. The disadvantage is that in most cases it remains after the meeting, and the power supply problem needs to be solved. 2. Spray the carburetor cleaner with carburetor cleaner, then let it sit until the cleaner penetrates naturally, then tear it off. The disadvantage is that it requires repeated operations. If conditions permit, it is recommended that you use method 1 first. Some glue will remain, and then clean it with a cleaning agent (which can strongly dissolve organic matter), and you will get a brand new piece of glass