Problem for blynk show connecting and show offline

blynk show offline even connection to wifi

Your image hasn’t uploaded correctly, you should edit your post and re-upload it.
You should also post your code and serial monitor output, along with details of the type of hardware you are using.
When you post code and serial monitor text please ensure that you use triple backticks at the beginning and end of the code and the serial output so that they display correctly.
Triple backticks look like this:

Copy and paste these if you can’t find the correct character on your keyboard.