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mingway426
modify: some code in BlocklyController.java & Connection.java
When the building block is replaced, it will be judged. If the newly generated connection is not empty and contains only one connectable input parameter, then the original intention is to connect the replaced building block to the new building block. However, there is no judgment on the type. If the type of the replaced block does not match the type required, the application will crash.
This change is