function initialize() {
                    FAN.angles = anglesForBladeCount(state.bladeCount);
                    syncActiveBladeConfigs();
                    updateActiveBounds();
                    renderBladeButtons();
                    updateOutput(ui.imageScale, '%');
                    updateOutput(ui.offsetX, '%');
                    updateOutput(ui.offsetY, '%');
                    updateOutput(ui.imageRotation, '°');
                    updateOutput(ui.brushSize, ' px');
                    updateOutput(ui.textSize, ' px');
                    updateOutput(ui.textArc, '%');
                    updateOutput(ui.polygonSides, ' 边');
                    updateOutput(ui.splineTension, '%');
                    updateOutput(ui.minThickness);
                    updateOutput(ui.maxThickness);
                    updateOutput(ui.contrast, '%');
                    updateOutput(ui.reliefMargin, ' mm');
                    updateOutput(ui.reliefGamma);
                    updateOutput(ui.blur, ' px');
                    updatePrecisionGuide();
                    update3MFStructureHint();
                    updateVariantUi();
                    setTextFont(state.textFont);
                    setTextStyle(state.textStyle);
                    setTextArc(state.textArc);
                    setEditorTool('move');
                    bindEvents();
                    try {
                        initGL();
                    } catch (error) {
                        console.error(error);
                        ui.status.textContent = error.message;
                    }

                    var demo = makeDemoImage();
                    demo.onload = () => {
                        state.globalConfig.image = demo;
                        state.globalConfig.isDemo = true;
                        applyConfigToControls();
                        drawSource();
                        window.setTimeout( () => {
                            try {
                                loadFrameVariant(state.fanVariant);
                                buildRelief();
                            } catch (error) {
                                console.error(error);
                                ui.status.textContent = `骨架载入失败：${error.message}`;
                            } finally {
                                showBusy(false);
                            }
                        }
                        , 30);
                    }
                    ;
                }

                initialize();