diff --git a/db/versions/10936-wheatAnthurium/00-updateACL.sql b/db/versions/10936-wheatAnthurium/00-updateACL.sql
index 35c81ce58..42cf734e7 100644
--- a/db/versions/10936-wheatAnthurium/00-updateACL.sql
+++ b/db/versions/10936-wheatAnthurium/00-updateACL.sql
@@ -1,4 +1,6 @@
 INSERT INTO salix.ACL (model,property,accessType,permission,principalType,principalId)
 	VALUES
         ('Ticket','itemLack','READ','ALLOW','ROLE','employee'),
-        ('Ticket','itemLackDetail','READ','ALLOW','ROLE','employee');
+        ('Ticket','itemLackDetail','READ','ALLOW','ROLE','employee'),
+        ('Ticket','itemLackOrigin','READ','ALLOW','ROLE','employee'),
+        ('Ticket','negativeOrigin','READ','ALLOW','ROLE','employee');
diff --git a/modules/ticket/back/methods/ticket/negativeOrigin.js b/modules/ticket/back/methods/ticket/negativeOrigin.js
new file mode 100644
index 000000000..ee251ff3e
--- /dev/null
+++ b/modules/ticket/back/methods/ticket/negativeOrigin.js
@@ -0,0 +1,36 @@
+
+const ParameterizedSQL = require('loopback-connector').ParameterizedSQL;
+module.exports = Self => {
+    Self.remoteMethod('negativeOrigin', {
+        description: 'Insert ticket negative into negativeOrigin',
+        accessType: 'READ',
+        accepts: [{
+            arg: 'ctx',
+            type: 'Object',
+            http: {source: 'context'}
+        }],
+        returns: {
+            type: 'object',
+            root: true
+        },
+        http: {
+            path: `/negativeOrigin`,
+            verb: 'GET'
+        }
+    });
+
+    Self.negativeOrigin = async(ctx, data, options) => {
+        const myOptions = {};
+        if (typeof options == 'object')
+            Object.assign(myOptions, options);
+        if (!myOptions.transaction) {
+            tx = await Self.beginTransaction({});
+            myOptions.transaction = tx;
+        }
+        const conn = Self.dataSource.connector;
+        const stmts = ['SELECT * FROM vn.negativeOrigin'];
+        const sql = ParameterizedSQL.join(stmts, ';');
+        const result = await conn.executeStmt(sql, myOptions);
+        return result;
+    };
+};
diff --git a/modules/ticket/back/models/ticket-methods.js b/modules/ticket/back/models/ticket-methods.js
index b057e7ffd..88fdb435e 100644
--- a/modules/ticket/back/models/ticket-methods.js
+++ b/modules/ticket/back/models/ticket-methods.js
@@ -49,4 +49,5 @@ module.exports = function(Self) {
     require('../methods/ticket/itemLack')(Self);
     require('../methods/ticket/itemLackDetail')(Self);
     require('../methods/ticket/itemLackOrigin')(Self);
+    require('../methods/ticket/negativeOrigin')(Self);
 };