diff --git a/source/dnode/mnode/impl/src/mndTrans.c b/source/dnode/mnode/impl/src/mndTrans.c
index 21a9c28830..83fad45919 100644
--- a/source/dnode/mnode/impl/src/mndTrans.c
+++ b/source/dnode/mnode/impl/src/mndTrans.c
@@ -2241,7 +2241,7 @@ static int32_t mndRetrieveTrans(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBl
 
     const char *killableStr = pTrans->ableToBeKilled ? "yes" : "no";
     char        killableVstr[10 + VARSTR_HEADER_SIZE] = {0};
-    STR_WITH_MAXSIZE_TO_VARSTR(killableVstr, killableStr, 24);
+    STR_WITH_MAXSIZE_TO_VARSTR(killableVstr, killableStr, 10 + VARSTR_HEADER_SIZE);
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     RETRIEVE_CHECK_GOTO(colDataSetVal(pColInfo, numOfRows, (const char *)killableVstr, false), pTrans, &lino, _OVER);
 
diff --git a/tests/system-test/0-others/show_transaction_detail.py b/tests/system-test/0-others/show_transaction_detail.py
index ec8ebcaef2..8a272eb76d 100644
--- a/tests/system-test/0-others/show_transaction_detail.py
+++ b/tests/system-test/0-others/show_transaction_detail.py
@@ -81,8 +81,13 @@ class TDTestCase:
         rows = tdSql.query(f"select * from information_schema.ins_transaction_details", queryTimes=1)
 
         if rows != 296:
-            tdLog.exit(f"restore transaction detial error, rows={rows}")
+            tdLog.exit(f"show transaction detial error, rows={rows}")
             return False
+        
+        dnode.starttaosd()
+
+        t1.join()
+        t2.join()
             
     def createDbThread(self, sql, newTdSql):
         tdLog.info("CREATE DATABASE db2 vgroups 40 replica 3;")