diff --git a/picture2.drawio.svg b/make_chart.drawio.svg
similarity index 100%
rename from picture2.drawio.svg
rename to make_chart.drawio.svg
diff --git a/picture1.drawio.svg b/picture1.drawio.svg
deleted file mode 100644
index e6b1f6e..0000000
--- a/picture1.drawio.svg
+++ /dev/null
@@ -1,521 +0,0 @@
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-                                更新数据
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-                                删除数据
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-                    删除数据
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-                                对数据排序
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-                    对数据排序
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-        <path d="M 238.88 1590 L 231.88 1593.5 L 233.63 1590 L 231.88 1586.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
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-                                生成图表报表
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-                <text x="90" y="1594" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    生成图表报表
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-                                确定退出
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-                <text x="90" y="1754" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    确定退出
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-                                read_data
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-                    read_data
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-            <switch>
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-                                save_data
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-                <text x="300" y="684" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    save_data
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-        <path d="M 458.88 820 L 451.88 823.5 L 453.63 820 L 451.88 816.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
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-        <path d="M 252 790 L 252 850 M 348 790 L 348 850" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/>
-        <g transform="translate(-0.5 -0.5)">
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-                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 94px; height: 1px; padding-top: 820px; margin-left: 253px;">
-                        <div data-drawio-colors="color: #000000; background-color: #FFFFFF; " style="box-sizing: border-box; font-size: 0px; text-align: center;">
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-                                print_data
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-                    print_data
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-        <g transform="translate(-0.5 -0.5)">
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-                                query_data
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-                <text x="300" y="954" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
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-                                add_data
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-        <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: 94px; height: 1px; padding-top: 1670px; margin-left: 253px;">
-                        <div data-drawio-colors="color: #000000; background-color: #FFFFFF; " 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; background-color: rgb(255, 255, 255); white-space: normal; overflow-wrap: normal;">
-                                命令错误，重新选择
-                            </div>
-                        </div>
-                    </div>
-                </foreignObject>
-                <text x="300" y="1674" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    命令错误，重新选择
-                </text>
-            </switch>
-        </g>
-    </g>
-    <switch>
-        <g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/>
-        <a transform="translate(0,-5)" xlink:href="https://www.diagrams.net/doc/faq/svg-export-text-problems" target="_blank">
-            <text text-anchor="middle" font-size="10px" x="50%" y="100%">
-                Text is not SVG - cannot display
-            </text>
-        </a>
-    </switch>
-</svg>
\ No newline at end of file
diff --git a/picture.drawio.svg b/qyery_data.drawio.svg
similarity index 100%
rename from picture.drawio.svg
rename to qyery_data.drawio.svg
diff --git a/picture3.drawio.svg b/read_data.drawio.svg
similarity index 100%
rename from picture3.drawio.svg
rename to read_data.drawio.svg