https://ubug.cc/tags/webgl/Recent content in WebGL on uBug BlogHugo -- 0.148.0zhWed, 21 Jan 2026 00:51:00 +0800https://ubug.cc/posts/tech/unitybuildwebglappfailissuefix/Thu, 15 Jan 2026 23:56:18 +0800https://ubug.cc/posts/tech/unitybuildwebglappfailissuefix/<blockquote> <p>先说结论，关闭了XMP解决了Unity构建WebGL失败的问题，但我没有理解原因。</p></blockquote> <p>昨晚尝试在公司的电脑上使用Unity 6000.0.40f1 上构建一个WebGL应用失败。</p> <p>出现错误</p> <div class="highlight"><div style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"> <table style="border-spacing:0;padding:0;margin:0;border:0;"><tr><td style="vertical-align:top;padding:0;margin:0;border:0;"> <pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">2 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">3 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">4 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">5 </span></code></pre></td> <td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%"> <pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-fallback" data-lang="fallback"><span style="display:flex;"><span>C:\Users\***\UnityProject\***&gt;set MYDIR=C:\Program Files\Unity\Hub\Editor\6000.0.40f1\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emscripten\ </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>C:\Users\***\UnityProject\***&gt;goto FOUND_MYDIR emcc: error: &#39;&#34;C:/Program Files/Unity/Hub/Editor/6000.0.40f1/Editor/Data/PlaybackEngines/WebGLSupport/BuildTools/Emscripten/binaryen\bin\wasm-opt&#34; --strip-dwarf --signext-lowering --post-emscripten -O2 --low-memory-unused --zero-filled-memory --pass-arg=directize-initial-contents-immutable --strip-debug --strip-producers Library/Bee/artifacts/WebGL/build/debug_WebGL_wasm/build.wasm -o Library/Bee/artifacts/WebGL/build/debug_WebGL_wasm/build.wasm --mvp-features --enable-mutable-globals --enable-sign-ext&#39; failed (returned 3221225477) UnityEditor. </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>EditorApplication:Internal_CallDelayFunctions () </span></span></code></pre></td></tr></table> </div> </div><p>很奇怪，记得之前是可以正常构建WebGL app的。</p> <p>不想思考，将报错信息交给ChatGPT。</p> <p>根据ai反馈的可能原因逐一进行排查。</p> <ol> <li> <p>删除缓存重试</p> <p>删除项目下Library目录整体，重启Unity重新生成，没用。</p> </li> <li> <p>杀毒软件防护/干扰</p> <p>这点排除，我的工作电脑只有windows defender。</p> </li> <li> <p>重装 WebGL Support Build</p>