Yii2 createCommand() native statement insertion encountered a small problem

Use createCommand() to write native data insertion statements. After the insertion is completed, a row of extra blank data will always be generated at the beginning, and the subsequent data will be normal
I don’t know why. . .

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Use createCommand() to write native data insertion statements. After the insertion is completed, a row of extra blank data will always be generated at the beginning, and the subsequent data will be normal
I don’t know why. . .

Please post your PHP part of the code. In addition, your data should be test data. What is the purpose of coding?