Welcome to EasyEDA. It will help you to read "How to design PCBs", (2.2) in (2) in: [https://easyeda.com/forum/topic/How-to-ask-for-help-and-get-an-answer-71b17a40d15442349eaecbfae083e46a](https://easyeda.com/forum/topic/How-to-ask-for-help-and-get-an-answer-71b17a40d15442349eaecbfae083e46a)<br> <br> In particular "For the newcomer to PCBS" in the section "PCB Design notes". The problem you have is that you are trying to connect traces on the bottom (blue) layer, to surface mount (single layer) pads on the top (red) layer. If you toggle the visibility of the top or bottom layer, you will see that the bottom layer traces are not connected to the pads on the top. To connect them you need to either route the traces on the top layer or swap the routing from bottom to top layers using vias, For more detailed information about routing, please see: [https://docs.easyeda.com/en/PCB/Route/index.html](https://docs.easyeda.com/en/PCB/Route/index.html)<br> <br> <br> <br> <br> <br> <br> <br>