diff --git "a/\345\210\230\345\277\227\345\274\272/zuoye.md" "b/\345\210\230\345\277\227\345\274\272/zuoye.md"
new file mode 100644
index 0000000000000000000000000000000000000000..24a47b526f0d2193c09e522196c47ffc50265179
--- /dev/null
+++ "b/\345\210\230\345\277\227\345\274\272/zuoye.md"
@@ -0,0 +1,101 @@
+/*==============================================================*/
+/* DBMS name:      MySQL 5.0                                    */
+/* Created on:     2024/9/4 21:10:18                            */
+/*==============================================================*/
+
+
+drop table if exists firm;
+
+drop table if exists has;
+
+drop table if exists plance;
+
+drop table if exists type;
+
+drop table if exists usc;
+
+drop table if exists user;
+
+/*==============================================================*/
+/* Table: firm                                                  */
+/*==============================================================*/
+create table firm
+(
+   fid                  int not null,
+   fname                varchar(11),
+   primary key (fid)
+);
+
+/*==============================================================*/
+/* Table: has                                                   */
+/*==============================================================*/
+create table has
+(
+   fid                  int not null,
+   tid                  int not null,
+   primary key (fid, tid)
+);
+
+/*==============================================================*/
+/* Table: plance                                                */
+/*==============================================================*/
+create table plance
+(
+   pid                  int not null,
+   tid                  int not null,
+   pname                varchar(11),
+   time                 time,
+   primary key (pid)
+);
+
+/*==============================================================*/
+/* Table: type                                                  */
+/*==============================================================*/
+create table type
+(
+   tid                  int not null,
+   tname                varchar(11),
+   primary key (tid)
+);
+
+/*==============================================================*/
+/* Table: usc                                                   */
+/*==============================================================*/
+create table usc
+(
+   fid                  int not null,
+   pid                  int not null,
+   primary key (fid, pid)
+);
+
+/*==============================================================*/
+/* Table: user                                                  */
+/*==============================================================*/
+create table user
+(
+   uid                  int not null,
+   pid                  int not null,
+   uname                varchar(11),
+   num                  float(11,0),
+   age                  float(11),
+   primary key (uid)
+);
+
+alter table has add constraint FK_has foreign key (fid)
+      references firm (fid) on delete restrict on update restrict;
+
+alter table has add constraint FK_has2 foreign key (tid)
+      references type (tid) on delete restrict on update restrict;
+
+alter table plance add constraint FK_have foreign key (tid)
+      references type (tid) on delete restrict on update restrict;
+
+alter table usc add constraint FK_usc foreign key (fid)
+      references firm (fid) on delete restrict on update restrict;
+
+alter table usc add constraint FK_usc2 foreign key (pid)
+      references plance (pid) on delete restrict on update restrict;
+
+alter table user add constraint FK_ride foreign key (pid)
+      references plance (pid) on delete restrict on update restrict;
+
diff --git "a/\345\210\230\345\277\227\345\274\272/\345\261\217\345\271\225\346\210\252\345\233\276 2024-09-04 204000.png" "b/\345\210\230\345\277\227\345\274\272/\345\261\217\345\271\225\346\210\252\345\233\276 2024-09-04 204000.png"
new file mode 100644
index 0000000000000000000000000000000000000000..34e522b87a1ac788c5edc41878f28132851dae2d
Binary files /dev/null and "b/\345\210\230\345\277\227\345\274\272/\345\261\217\345\271\225\346\210\252\345\233\276 2024-09-04 204000.png" differ
diff --git "a/\345\210\230\345\277\227\345\274\272/\345\261\217\345\271\225\346\210\252\345\233\276 2024-09-04 204513.png" "b/\345\210\230\345\277\227\345\274\272/\345\261\217\345\271\225\346\210\252\345\233\276 2024-09-04 204513.png"
new file mode 100644
index 0000000000000000000000000000000000000000..7aa69899be0284d95a3654212f274af0c555fb1b
Binary files /dev/null and "b/\345\210\230\345\277\227\345\274\272/\345\261\217\345\271\225\346\210\252\345\233\276 2024-09-04 204513.png" differ
diff --git "a/\345\210\230\345\277\227\345\274\272/\345\261\217\345\271\225\346\210\252\345\233\276 2024-09-04 205502.png" "b/\345\210\230\345\277\227\345\274\272/\345\261\217\345\271\225\346\210\252\345\233\276 2024-09-04 205502.png"
new file mode 100644
index 0000000000000000000000000000000000000000..ccc64d777b021aa472ca4a08b634432a98c1fd2d
Binary files /dev/null and "b/\345\210\230\345\277\227\345\274\272/\345\261\217\345\271\225\346\210\252\345\233\276 2024-09-04 205502.png" differ
diff --git "a/\345\210\230\345\277\227\345\274\272/\345\261\217\345\271\225\346\210\252\345\233\276 2024-09-04 211723.png" "b/\345\210\230\345\277\227\345\274\272/\345\261\217\345\271\225\346\210\252\345\233\276 2024-09-04 211723.png"
new file mode 100644
index 0000000000000000000000000000000000000000..09f6b97c95274f7558c49d7839c0a4915c1be7f4
Binary files /dev/null and "b/\345\210\230\345\277\227\345\274\272/\345\261\217\345\271\225\346\210\252\345\233\276 2024-09-04 211723.png" differ