diff --git a/2.drawio.svg b/2.drawio.svg
index a59c825..f0338e9 100644
--- a/2.drawio.svg
+++ b/2.drawio.svg
@@ -1,13 +1,13 @@
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-        <path d="M 85 600 L 75 600 L 75 350 L 142.13 350" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
-        <path d="M 148.88 350 L 139.88 354.5 L 142.13 350 L 139.88 345.5 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
-        <path d="M 0 585 L 75 541.7 L 150 585 L 75 628.3 L 0 585 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
-        <g transform="translate(-0.5 -0.5)">
-            <switch>
-                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
-                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 148px; height: 1px; padding-top: 585px; margin-left: 1px;">
-                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
-                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
-                                if i&lt;=m
-                            </div>
-                        </div>
-                    </div>
-                </foreignObject>
-                <text x="75" y="589" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    if i&lt;=m
+                <text x="437" y="684" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    输出课程平均值
                 </text>
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