关于mybatis --- URI is not registered (Settings | Languages & Frameworks | Schemas and DTDs)

Question: When
IDEA uses the mybatis framework, "http://mybatis.org/dtd/mybatis-3-config.dtd" in the configuration file of SqlMapConfig.xml bursts red,
prompting URI is not registered (Settings | Languages ​​& Frameworks | Schemas and DTDs)

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Reason: The
Uniform Resource Identifier is not registered

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Solution:
1.File-Settings

2.Language & Framework-Schemas and DTDs-"Plus"-Enter the path (without quotation marks)-Apply

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		                                   感谢收阅