diff --git a/klp-ui/src/views/wms/coil/panels/LabelRender/index.vue b/klp-ui/src/views/wms/coil/panels/LabelRender/index.vue
index 64c760ae..7b03a6d3 100644
--- a/klp-ui/src/views/wms/coil/panels/LabelRender/index.vue
+++ b/klp-ui/src/views/wms/coil/panels/LabelRender/index.vue
@@ -166,7 +166,7 @@ export default {
           style: `
             @page {
               size: ${paperWidthMm}mm ${paperHeightMm}mm;
-              margin: 0 !important;
+              margin: 2mm !important; /* 留出页边距，避免紧贴边框 */
               padding: 0 !important;
             }
             * {
@@ -181,8 +181,8 @@ export default {
               overflow: hidden !important;
             }
             #${printContainerId} {
-              width: ${paperWidthMm}mm !important;
-              height: ${paperHeightMm}mm !important;
+              width: calc(${paperWidthMm}mm - 4mm) !important; /* 两侧各2mm的页边距后可用宽度 */
+              height: calc(${paperHeightMm}mm - 4mm) !important; /* 上下各2mm的页边距后可用高度 */
               margin: 0 !important;
               padding: 0 !important;
               display: flex !important;
@@ -190,10 +190,10 @@ export default {
               justify-content: center !important;
             }
             #${printContainerId} canvas {
-              width: ${paperWidthMm}mm !important;
-              height: ${paperHeightMm}mm !important;
-              max-width: ${paperWidthMm}mm !important;
-              max-height: ${paperHeightMm}mm !important;
+              width: 100% !important;
+              height: 100% !important;
+              max-width: calc(${paperWidthMm}mm - 4mm) !important;
+              max-height: calc(${paperHeightMm}mm - 4mm) !important;
               object-fit: contain !important;
               border: none !important;
             }