fix: 加表

backend/src/main/java/io/metersphere/track/service/IssuesService.java

@@ -590,6 +590,10 @@ public class IssuesService {
         IssueFollowExample example = new IssueFollowExample();
         example.createCriteria().andIssueIdEqualTo(issueId);
         List<IssueFollow> follows = issueFollowMapper.selectByExample(example);
-        return follows.stream().map(IssueFollow::getFollowId).distinct().collect(Collectors.toList());
+        if(follows==null||follows.size()==0){
+            return result;
+        }
+        result = follows.stream().map(IssueFollow::getFollowId).distinct().collect(Collectors.toList());
+        return result;
     }
 }

backend/src/main/resources/db/migration/V99__v1.15_release.sql

@@ -0,0 +1,7 @@
+CREATE TABLE `issue_follow` (
+                                `issue_id` varchar(50) DEFAULT NULL,
+                                `follow_id` varchar(50) DEFAULT NULL,
+                                UNIQUE KEY `issue_follow_pk` (`issue_id`,`follow_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
+
+