1. greendao creates an association table. 
The above picture is the table creation method
The following is the error message
How to deal with this problem?
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認證0級講師
The description of the problem is not very clear. It is recommended that you use GreenDao3.0+ version. GreenDao3.0+ version adds a lot of annotations. You can use @ToMany
@ToOne annotation to perform table association
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