src/Leevel/Kernel/App.php
public function runtimePath(string $path = ''): string
    {
        return ($this->runtimePath ?? $this->path.\DIRECTORY_SEPARATOR.'runtime').
            $this->normalizePath($path);
    }
public function runtimePath(string $path = ''): string
    {
        return ($this->runtimePath ?? $this->path.\DIRECTORY_SEPARATOR.'runtime').
            $this->normalizePath($path);
    }
运行路径.

@param string $path

@return string