Update README.md

README.md

@@ -8,26 +8,27 @@
 
 本系统是程序设计与问题求解课程设计项目，实现了库存零件 CSV 格式数据文件的读取和保存，以及数据的增删改查（CRUD）、排序和图表显示等功能。项目采用 C 语言编程实现，在 VS Code 集成开发环境（IDE）中用 GCC 进行编译。系统采用模块化设计，程序结构清晰，采用菜单驱动的命令行界面，操作便捷，能够用 CSV 格式读取和保存数据，通用性强，能够用图表展示数据，直观清楚。
 
-下载地址：https://gitee.com/sjandsy/parts-management.git
+下载地址：https://bdgit.educoder.net/pkcs2aq9m/teamworks.git
 
 项目开发过程中采用 Kanban（看板）进行任务管理和分工协作，并使用 Git 对程序代码和文档进行版本管理。任务分工情况如下：
 
 | 任务  |   设计  |  开发   |   测试   |  文档  |
 | ---- | ---- | ---- | ---- | ---- |
-|  C1-C3  菜单驱动的用户界面  |    |    |   |    |
+|  C1-C3  菜单驱动的用户界面  |  孙英皓  |  杨腾泽 | 刘彩月  |  孙英皓  |
-|C4  添加库存记录 |  |  |  | |
+|C4  添加库存记录 | 李聪颖 | 李聪颖 | 杨腾泽 孙英皓 |李聪颖 |
-|C5 查询库存记录  |  |  |  |  |
+|C5 查询库存记录  | 李聪颖 | 李聪颖 | 杨腾泽 孙英皓 | 李聪颖 |
-|C6 打印库存列表  |  |  |  |  |
+|C6 打印库存列表  | 李聪颖 | 李聪颖 | 杨腾泽 孙英皓 | 李聪颖 |
-|C7 修改库存记录  |  |  |  |  |
+|C7 修改库存记录  | 刘彩月 | 刘彩月 | 李聪颖 杨腾泽 | 刘彩月 |
-|C8 删除库存记录  |  |  |  |  |
+|C8 删除库存记录  | 刘彩月 | 刘彩月 | 李聪颖 杨腾泽 | 刘彩月 |
-|C9 库存记录排序  |  |  |  |  |
+|C9 库存记录排序  | 刘彩月 | 刘彩月 | 李聪颖 杨腾泽 | 刘彩月 |
-|C10 读取库存文件 |  |  |  |  |
+|C10 读取库存文件 | 杨腾泽 | 杨腾泽 | 李聪颖 刘彩月 | 杨腾泽 |
-|C11 将库存保存到文件  |  |  |  |  |
+|C11 将库存保存到文件  | 杨腾泽 | 杨腾泽 | 孙英皓 刘彩月 | 杨腾泽 |
 
 每个成员的工作量（百分比）：
-|   |   |   |  |
+
+|  杨腾泽 |  孙英皓 |  刘彩月 | 李聪颖 |
 |--------|-------|---------|-------|
-|        |        |    |      |
+|    25    |    25    |  25  |    25  |
 
 
 ## 关于零件库存管理系统
@@ -293,25 +294,35 @@ ID |  NAME  Amount
 
 ```
 
-####   sort
+## 概要设计
-Step1 : 输入需要排序的商品编号
-Step2 : 进行排序
-Step3 : 排序完成
-![排序模块流程图](images/sort.drawio.svg)
 
-#### delete_from_list
+系统主要分为用户界面和数据处理两大模块。
-Step1: if数据库为空则返回“数据库数据为空，请先添加商品信息”
+用户界面模块包括系统初始化（init），显示菜单（menu），选择菜单命令（menu1）、确认（confirm）、退出（exit）等子模块。
-Step2: 输入需要删除的商品id
+数据处理模块包括读取数据（read_data）、保存数据（saveData）、打印数据（show_goods）、查询数据（find_goods）、添加数据（insert）、更新数据（increase_count）、删除数据（delete_from_list）、数据排序（sort）和图表（Show）等子模块。其中查询、添加、更新和删除数据还会用到根据编号查询数据的方法（find）。
-Step3: 删除商品并显示删除成功
-Step4: if输入的商品id不存在则返回“您输入的商品名称没有找到！！”
 
-![删除数据流程图](images/delete_from_list.drawio.svg)
+上述各模块通过主程序（main）进行调用，系统模块图如下。
 
-#### Show
-Step1：if没有商品数据则显示“您的数据库内没有商品！”
-step2: 输入商品编号打印表格
 
-![图表模块流程图](images/Show.drawio.svg)
+![系统模块图](images/main.drawio.svg)
+
+各模块的主要功能如下：
+
+#### main
+
+系统主函数模块，显示菜单，根据用户选择的菜单命令，执行相关操作。
+
+#### init
+
+系统初始化。
+
+#### display_menu
+
+显示菜单命令。
+
+
+## 详细设计
+
+针对概要设计
 #### main
 
 Step 1: 初始化
@@ -323,8 +334,7 @@ Step 2.4: if c == CMD_SAVE then 保存数据
 Step 2.5: if c == CMD_PRINT then 打印数据
 Step 2.6: 
 
-
+![主程序流程图](graph/main.drawio.svg)
-![主程序流程图](images/main.drawio.svg)
 
 
 #### savedata
@@ -335,5 +345,74 @@ Step 3: if 打开文件失败 then 提示打开文件失败并结束
 Step 4: 将所有库存记录写入文件
 Step 5: 关闭文件
 
+![保存数据流程图](graph/saveData.drawio.svg)
+
+
+#### insert
+
+Step 1: if 数据库满 then 提示数据库满并结束
+Step 2: 输入零件编号
+Step 3: if 零件已存在 then 提示零件已存在并结束
+Step 4: 输入零件名和库存数量
+Step 5: 添加新零件到数据
+Step 6: 提示添加成功
+
+![添加库存记录流程图](graph/insert.drawio.svg)
+
+#### show_goods
+
+Step 1: 创建表格边框
+Step 2: 如果没有商品
+Step 3: 提示“数据库内没有商品”
+Step 4: 输入编号
+Step 5: 打印商品
+
+![打印数据流程图](graph/show_goods.drawio.svg)
+
+
+
+
+#### readData
+
+Step 1: if数据库空则返回“读取数据失败”
+Step 2: if没有商品则返回“注意：您的数据库内没有商品信息”
+Step 3: 输入文件名称
+Step 4: 输出数据库里的商品信息
+
+![读取数据流程图](graph/readData.drawio.svg)
+
+#### find_goods
+Step1: if数据库为空则返回“数据库数据为空，请先添加商品信息”
+Step2: 输入需要查找的商品ID
+Step3: 输出商品信息
+Step4: if输入的商品信息不存在则返回 "输入的商品信息无效！！！”
+
+![查询数据流程图](graph/find_goods.drawio.svg)
+
+#### increase_count
+Step1: if数据库为空则返回“数据库数据为空，请先添加商品信息”
+Step2: 输入需要修改的商品ID
+Step3: 修改信息并显示修改成功
+Step4: if没有需要修改的商品则返回
+
+![修改模块流程图](graph/increase_count.drawio.svg)
+
+####   sort
+Step1 : 输入需要排序的商品编号
+Step2 : 进行排序
+Step3 : 排序完成
+![排序模块流程图](graph/sort.drawio.svg)
+
+#### delete_from_list
+Step1: if数据库为空则返回“数据库数据为空，请先添加商品信息”
+Step2: 输入需要删除的商品id
+Step3: 删除商品并显示删除成功
+Step4: if输入的商品id不存在则返回“您输入的商品名称没有找到！！”
+
+![删除数据流程图](graph/delete_from_list.drawio.svg)
+
+#### Show
+Step1：if没有商品数据则显示“您的数据库内没有商品！”
+step2: 输入商品编号打印表格
 
-![保存数据流程图](images/saveData.drawio.svg)
+![图表模块流程图](graph/Show.drawio.svg)

graph/delete_from_list.drawio.svg

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+                                删除模块
                             </div>
                         </div>
                     </div>
                 </foreignObject>
-                <text x="60" y="449" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                <text x="160" y="44" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    不存在则返回错误信息
+                    删除模块
                 </text>
             </switch>
         </g>
-        <rect x="180" y="415" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <path d="M 160 140 L 260 190 L 160 240 L 60 190 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: 118px; height: 1px; padding-top: 445px; margin-left: 181px;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 198px; height: 1px; padding-top: 190px; margin-left: 61px;">
                         <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;">
-                                存在则释放对应结点并更新结点
+                                判断链表并返回信息
                             </div>
                         </div>
                     </div>
                 </foreignObject>
-                <text x="240" y="449" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                <text x="160" y="194" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    存在则释放对应结点并更新结点
+                    判断链表并返回信息
                 </text>
             </switch>
         </g>

graph/exit.drawio.svg

@@ -1,38 +1,38 @@
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+<svg host="65bd71144e" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="121px" height="231px" viewBox="-0.5 -0.5 121 231" content="&lt;mxfile&gt;&lt;diagram id=&quot;fPKIzau6LSH738rFNKAg&quot; name=&quot;第 1 页&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;">
     <defs/>
     <g>
-        <path d="M 70 0 L 140 40 L 70 80 L 0 40 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 60 170 L 60 70" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <rect x="0" y="170" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" 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: 138px; height: 1px; padding-top: 40px; margin-left: 1px;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 200px; 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;">
-                                退出模块
+                                调用保存函数并打印退出信息
                             </div>
                         </div>
                     </div>
                 </foreignObject>
-                <text x="70" y="44" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                <text x="60" y="204" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    退出模块
+                    调用保存函数并打印退出信息
                 </text>
             </switch>
         </g>
-        <path d="M 70 180 L 70 80" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <ellipse cx="60" cy="40" rx="60" ry="40" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
-        <rect x="10" y="180" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" 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: 118px; height: 1px; padding-top: 210px; margin-left: 11px;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 40px; 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;">
-                                调用保存函数并打印退出信息
+                                退出模块
                             </div>
                         </div>
                     </div>
                 </foreignObject>
-                <text x="70" y="214" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                <text x="60" y="44" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    调用保存函数并打印退出信息
+                    退出模块
                 </text>
             </switch>
         </g>

graph/find_goods.drawio.svg

@@ -1,92 +1,92 @@
-<svg host="65bd71144e" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="301px" height="476px" viewBox="-0.5 -0.5 301 476" content="&lt;mxfile&gt;&lt;diagram id=&quot;2D1wWDd2h5TJuRrKpX-K&quot; name=&quot;第 1 页&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;">
+<svg host="65bd71144e" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="301px" height="446px" viewBox="-0.5 -0.5 301 446" content="&lt;mxfile&gt;&lt;diagram id=&quot;2D1wWDd2h5TJuRrKpX-K&quot; name=&quot;第 1 页&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;">
     <defs/>
     <g>
-        <path d="M 140 0 L 225 40 L 140 80 L 55 40 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
+        <path d="M 140 130 L 140 50" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 139.96 270 L 140 190" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <rect x="70" y="270" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" 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: 168px; height: 1px; padding-top: 40px; margin-left: 56px;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 300px; margin-left: 71px;">
                         <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;">
-                                查找模块
+                                创建数组进行id比对
                             </div>
                         </div>
                     </div>
                 </foreignObject>
-                <text x="140" y="44" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                <text x="130" y="304" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    查找模块
+                    创建数组进行id比对
                 </text>
             </switch>
         </g>
-        <path d="M 140 160 L 140 80" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <path d="M 90 390 L 60 390 Q 50 390 50 380 L 50 310 Q 50 300 60 300 L 70 300" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
-        <rect x="80" y="160" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <path d="M 200 390 L 205 390 Q 210 390 210 380 L 210 310 Q 210 300 200 300 L 190 300" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <rect x="0" y="385" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" 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: 118px; height: 1px; padding-top: 190px; margin-left: 81px;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 415px; 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;">
-                                判断链表是否存在并返回信息
+                                若不存在则返回错误信息
                             </div>
                         </div>
                     </div>
                 </foreignObject>
-                <text x="140" y="194" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                <text x="60" y="419" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    判断链表是否存在并返回信息
+                    若不存在则返回错误信息
                 </text>
             </switch>
         </g>
-        <path d="M 139.96 300 L 140 220" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <rect x="180" y="385" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
-        <rect x="70" y="300" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" 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: 118px; height: 1px; padding-top: 330px; margin-left: 71px;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 415px; margin-left: 181px;">
                         <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;">
-                                创建数组进行id比对
+                                存在则链表返回物品信息
                             </div>
                         </div>
                     </div>
                 </foreignObject>
-                <text x="130" y="334" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                <text x="240" y="419" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    创建数组进行id比对
+                    存在则链表返回物品信息
                 </text>
             </switch>
         </g>
-        <path d="M 90 420 L 60 420 Q 50 420 58 414 L 130 360" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <ellipse cx="140" cy="40" rx="60" ry="40" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
-        <path d="M 200 420 L 230 420 Q 240 420 231.37 414.95 L 139.72 361.32" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
-        <rect x="0" y="415" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" 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: 118px; height: 1px; padding-top: 445px; margin-left: 1px;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 40px; margin-left: 81px;">
                         <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;">
-                                若不存在则返回错误信息
+                                查找模块
                             </div>
                         </div>
                     </div>
                 </foreignObject>
-                <text x="60" y="449" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                <text x="140" y="44" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    若不存在则返回错误信息
+                    查找模块
                 </text>
             </switch>
         </g>
-        <rect x="180" y="415" width="120" height="60" rx="9" ry="9" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <path d="M 140 120 L 240 175 L 140 230 L 40 175 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: 118px; height: 1px; padding-top: 445px; margin-left: 181px;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 198px; height: 1px; padding-top: 175px; margin-left: 41px;">
                         <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;">
-                                存在则链表返回物品信息
+                                判断链表是否存在并返回信息
                             </div>
                         </div>
                     </div>
                 </foreignObject>
-                <text x="240" y="449" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                <text x="140" y="179" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    存在则链表返回物品信息
+                    判断链表是否存在并返回信息
                 </text>
             </switch>
         </g>