diff --git a/VCRUNTIME140_1.dll.zip b/VCRUNTIME140_1.dll.zip
deleted file mode 100644
index 76273cc..0000000
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diff --git a/VCRUNTIME140_1.dll的位置.txt b/VCRUNTIME140_1.dll的位置.txt
deleted file mode 100644
index 510e4e9..0000000
--- a/VCRUNTIME140_1.dll的位置.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-1、问题描述：
-在卸载office等应用或电脑崩溃后会出现缺VCRUNTIME140_1.dll的情况
-2、解决方法：
-64位的电脑把“VCRUNTIME140_1.dll”文件放到“C:\Windows\System32”文件夹里即可
-32位的电脑把“VCRUNTIME140_1.dll”文件放到“C:\Windows\SysWOW64”文件夹里即可
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diff --git a/table.sql b/table.sql
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index 1b3c0f2..0000000
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+++ /dev/null
@@ -1,36 +0,0 @@
-drop table if exists Link;
-drop table if exists Node;
-
-drop type if exists EN_NodeType;
-create type EN_NodeType as enum (
-	'EN_JUNCTION',
-	'EN_RESERVOIR',
-	'EN_TANK'
-);
-
-drop type if exists EN_LinkType;
-create type EN_LinkType as enum (
-	'EN_CVPIPE',
-	'EN_PIPE',
-	'EN_PUMP',
-	'EN_PRV',
-	'EN_PSV',
-	'EN_PBV',
-	'EN_FCV',
-	'EN_TCV',
-	'EN_GPV'
-);
-
-create table Node (
-  Id            varchar(32)   primary key,            
-  Type          EN_NodeType   not null,               
-  Coord         point         not null default(point(0.0, 0.0)),
-  Elevation     numeric       not null default(0.0)
-);
-
-create table Link (
-  Id            varchar(32)         primary key,                  
-  Type          EN_LinkType         not null,                     
-  FromNode      varchar(32)         not null references Node(Id), 
-  ToNode        varchar(32)         not null references Node(Id)
-);
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