<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="675" viewBox="0 0 1200 675"><rect width="1200" height="675" fill="#ffedd5"/><rect x="60" y="50" width="1080" height="575" rx="34" fill="#fff" stroke="#ea580c" stroke-width="4"/><text x="600" y="110" text-anchor="middle" font-size="38" font-family="Arial, sans-serif" font-weight="700" fill="#111827">ImagePullBackOff排查流程</text><defs><marker id="a" markerWidth="12" markerHeight="12" refX="10" refY="6" orient="auto"><path d="M2 2 L10 6 L2 10 Z" fill="#ea580c"/></marker></defs><g font-family="Arial, sans-serif" font-size="24" font-weight="700" text-anchor="middle"><rect x="115" y="285" width="155" height="90" rx="18" fill="#ea580c"/><text x="193" y="340" fill="#fff">Pod事件</text><path d="M275 330 H350" stroke="#ea580c" stroke-width="6" marker-end="url(#a)"/><rect x="365" y="285" width="155" height="90" rx="18" fill="#fff7ed" stroke="#ea580c" stroke-width="3"/><text x="443" y="340">镜像地址</text><path d="M525 330 H600" stroke="#ea580c" stroke-width="6" marker-end="url(#a)"/><rect x="615" y="285" width="155" height="90" rx="18" fill="#fff7ed" stroke="#ea580c" stroke-width="3"/><text x="693" y="340">仓库认证</text><path d="M775 330 H850" stroke="#ea580c" stroke-width="6" marker-end="url(#a)"/><rect x="865" y="285" width="155" height="90" rx="18" fill="#fff7ed" stroke="#ea580c" stroke-width="3"/><text x="943" y="340">节点网络</text></g><text x="600" y="505" text-anchor="middle" font-size="22" font-family="Arial, sans-serif" fill="#374151">先读事件错误，再区分not found、unauthorized、x509与timeout</text></svg>