solution
1 You can click the leaf icon in the lower left corner of the main interface of Thunder 7 to install the happiness tree plug-in or enter the application market to add the happiness tree plug-in;
2 Click the happiness tree collection icon in the lower left corner of the main interface of Thunder 7 to collect your own happiness tree;
Choose one of the six tree species as your first happiness tree;
The happiness tree has been successfully collected. You can click the prompt window "Enter Tutorial" to learn how to manage the happiness tree.
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For more questions, please ask thunder network Platform.