About the key issue of Baidu Map API

Recently in a project, always reported the key error, map API reference, exactly according to the official document, how can it be wrong?

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After many attempts, I found that each new key created by Eclipse will dynamically print a security code in the console, which is not the one that is displayed somewhere in eclipse (the official Baidu document says, perhaps I understand the error). In short, that is debug with the security code, only debug use, real business need to create a new key, dynamic printing out of the security code, according to the security code to go to the API console Baidu key, after all normal, haha