diff --git a/source/os/src/osDir.c b/source/os/src/osDir.c
index c04add2f42..9f3908183e 100644
--- a/source/os/src/osDir.c
+++ b/source/os/src/osDir.c
@@ -294,6 +294,8 @@ void taosRemoveOldFiles(const char *dirname, int32_t keepDays) {
       int32_t len = (int32_t)strlen(filename);
       if (len > 3 && strcmp(filename + len - 3, ".gz") == 0) {
         len -= 3;
+      }else{
+        continue;
       }
 
       int64_t fileSec = 0;
@@ -308,7 +310,7 @@ void taosRemoveOldFiles(const char *dirname, int32_t keepDays) {
       int32_t days = (int32_t)(TABS(sec - fileSec) / 86400 + 1);
       if (days > keepDays) {
         (void)taosRemoveFile(filename);
-        // printf("file:%s is removed, days:%d keepDays:%d", filename, days, keepDays);
+         uInfo("file:%s is removed, days:%d keepDays:%d, sed:%"PRId64, filename, days, keepDays, fileSec);
       } else {
         // printf("file:%s won't be removed, days:%d keepDays:%d", filename, days, keepDays);
       }
diff --git a/tests/army/query/queryBugs.py b/tests/army/query/queryBugs.py
index a7a6f35372..19459c9581 100644
--- a/tests/army/query/queryBugs.py
+++ b/tests/army/query/queryBugs.py
@@ -141,12 +141,42 @@ class TDTestCase(TBase):
         tdSql.checkRows(1)
         tdSql.checkData(0, 0, 102)
 
+    def FIX_TD_31684(self):
+        tdLog.info("check bug TD_31684 ...\n")
+        sqls = [
+            "drop database if exists td_31684",
+            "create database td_31684 cachemodel 'both' stt_trigger 1;",
+            "use td_31684;",
+            "create table t1 (ts timestamp, id int, name int) ;",
+            "insert into t1 values(now, 1, 1);",
+            "insert into t1 values(now, 1, 2);",
+            "insert into t1 values(now, 2, 3);",
+            "insert into t1 values(now, 3, 4);"
+        ]
+        tdSql.executes(sqls)
+        sql1 = "select count(name) as total_name from t1 group by name"
+        sql2 = "select id as new_id, last(name) as last_name from t1 group by id order by new_id"
+        sql3 = "select id as new_id, count(id) as id from t1 group by id order by new_id"
+        tdSql.query(sql1)
+        tdSql.checkRows(4)
+
+        tdSql.query(sql2)
+        tdSql.checkRows(3)
+        tdSql.checkData(0, 1, 2)
+        tdSql.checkData(1, 1, 3)
+
+        tdSql.query(sql3)
+        tdSql.checkRows(3)
+        tdSql.checkData(0, 1, 2)
+        tdSql.checkData(2, 1, 1)
+
     # run
     def run(self):
         tdLog.debug(f"start to excute {__file__}")
 
         # TD BUGS
         self.FIX_TD_30686()
+        self.FIX_TD_31684()
 
         # TS BUGS
         self.FIX_TS_5105()
diff --git a/utils/test/c/tmq_taosx_ci.c b/utils/test/c/tmq_taosx_ci.c
index 49cfa3dff8..3a79a3763c 100644
--- a/utils/test/c/tmq_taosx_ci.c
+++ b/utils/test/c/tmq_taosx_ci.c
@@ -1170,7 +1170,7 @@ void testDetailError() {
   int32_t code = tmq_write_raw((TAOS*)1, raw);
   ASSERT(code);
   const char* err = tmq_err2str(code);
-  char*       tmp = strstr(err, "Invalid parameters,detail:taos:0x1 or data");
+  char*       tmp = strstr(err, "Invalid parameters,detail:taos:");
   ASSERT(tmp != NULL);
 }