diff --git a/coolstore-partner-common/src/main/java/com/cool/store/utils/RandomEightCharCodeUtils.java b/coolstore-partner-common/src/main/java/com/cool/store/utils/RandomEightCharCodeUtils.java
new file mode 100644
index 000000000..1436ca48a
--- /dev/null
+++ b/coolstore-partner-common/src/main/java/com/cool/store/utils/RandomEightCharCodeUtils.java
@@ -0,0 +1,26 @@
+package com.cool.store.utils;
+
+import java.util.Random;
+
+/**
+ * @Author suzhuhong
+ * @Date 2024/6/19 9:51
+ * @Version 1.0
+ */
+public class RandomEightCharCodeUtils {
+
+    private static final String CHARACTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+
+    public static String getCode() {
+        Random random = new Random();
+        StringBuilder randomCode = new StringBuilder(8);
+
+        for (int i = 0; i < 8; i++) {
+            int index = random.nextInt(CHARACTERS.length());
+            randomCode.append(CHARACTERS.charAt(index));
+        }
+
+       return  randomCode.toString();
+    }
+
+}
diff --git a/coolstore-partner-dao/src/main/java/com/cool/store/dao/LineInfoDAO.java b/coolstore-partner-dao/src/main/java/com/cool/store/dao/LineInfoDAO.java
index 3ac297e98..e9d9b2b24 100644
--- a/coolstore-partner-dao/src/main/java/com/cool/store/dao/LineInfoDAO.java
+++ b/coolstore-partner-dao/src/main/java/com/cool/store/dao/LineInfoDAO.java
@@ -14,6 +14,7 @@ import com.cool.store.request.LineListRequest;
 import com.cool.store.request.PartnerRequest;
 import com.cool.store.request.PointLinePageRequest;
 import com.cool.store.request.PublicLineListRequest;
+import com.cool.store.utils.RandomEightCharCodeUtils;
 import com.github.pagehelper.Page;
 import com.github.pagehelper.PageHelper;
 import com.google.common.collect.Maps;
@@ -73,6 +74,7 @@ public class LineInfoDAO {
         }
         //准加盟商
         lineInfo.setJoinStatus(CommonConstants.ONE);
+        lineInfo.setPartnerNum(RandomEightCharCodeUtils.getCode());
         lineInfo.setWorkflowSubStageStatus(workflowSubStageStatus.getCode());
         return lineInfoMapper.updateByPrimaryKeySelective(lineInfo);
     }