diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 4d097cb93f1cb898b279ec4112bbd463ba17cc87..c4e8f3731922991e4f3f8f02514ce379ab22afb5 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -3439,10 +3439,7 @@ static int16_t doGetColumnIndex(SQueryInfo* pQueryInfo, int32_t index, SStrToken
   strncpy(tmpTokenBuf, pToken->z, pToken->n);
   
   pToken->z = tmpTokenBuf;
-
-  if (pToken->type == TK_ID) {
-    pToken->n = stringProcess(pToken->z, pToken->n);
-  }
+  pToken->n = stringProcess(pToken->z, pToken->n);
 
   for (int16_t i = 0; i < numOfCols; ++i) {
     if (pToken->n != strlen(pSchema[i].name)) {
@@ -6835,7 +6832,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
     }
 
     SColumnIndex index = COLUMN_INDEX_INITIALIZER;
-    SStrToken    name = {.z = pItem->pVar.pz, .n = pItem->pVar.nLen, .type = TK_STRING};
+    SStrToken    name = {.z = pItem->pVar.pz, .n = pItem->pVar.nLen};
 
     if (getColumnIndexByName(&name, pQueryInfo, &index, tscGetErrorMsgPayload(pCmd)) != TSDB_CODE_SUCCESS) {
       return TSDB_CODE_TSC_INVALID_OPERATION;
@@ -6850,7 +6847,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
 
     char name1[128] = {0};
     strncpy(name1, pItem->pVar.pz, pItem->pVar.nLen);
-
+    stringProcess(name1, strlen(name1));
     TAOS_FIELD f = tscCreateField(TSDB_DATA_TYPE_INT, name1, tDataTypes[TSDB_DATA_TYPE_INT].bytes);
     tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
   } else if (pAlterSQL->type == TSDB_ALTER_TABLE_CHANGE_TAG_COLUMN) {
@@ -6873,12 +6870,12 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
     SColumnIndex srcIndex = COLUMN_INDEX_INITIALIZER;
     SColumnIndex destIndex = COLUMN_INDEX_INITIALIZER;
 
-    SStrToken srcToken = {.z = pSrcItem->pVar.pz, .n = pSrcItem->pVar.nLen, .type = TK_STRING};
+    SStrToken srcToken = {.z = pSrcItem->pVar.pz, .n = pSrcItem->pVar.nLen};
     if (getColumnIndexByName(&srcToken, pQueryInfo, &srcIndex, tscGetErrorMsgPayload(pCmd)) != TSDB_CODE_SUCCESS) {
       return invalidOperationMsg(pMsg, msg17);
     }
 
-    SStrToken destToken = {.z = pDstItem->pVar.pz, .n = pDstItem->pVar.nLen, .type = TK_STRING};
+    SStrToken destToken = {.z = pDstItem->pVar.pz, .n = pDstItem->pVar.nLen};
     if (getColumnIndexByName(&destToken, pQueryInfo, &destIndex, tscGetErrorMsgPayload(pCmd)) == TSDB_CODE_SUCCESS) {
       return invalidOperationMsg(pMsg, msg19);
     }
@@ -6887,6 +6884,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
 
     char name[TSDB_COL_NAME_LEN] = {0};
     strncpy(name, pItem->pVar.pz, pItem->pVar.nLen);
+    stringProcess(name, strlen(name));
     TAOS_FIELD f = tscCreateField(TSDB_DATA_TYPE_INT, name, tDataTypes[TSDB_DATA_TYPE_INT].bytes);
     tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
 
@@ -6894,6 +6892,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
     memset(name, 0, tListLen(name));
 
     strncpy(name, pItem->pVar.pz, pItem->pVar.nLen);
+    stringProcess(name, strlen(name));
     f = tscCreateField(TSDB_DATA_TYPE_INT, name, tDataTypes[TSDB_DATA_TYPE_INT].bytes);
     tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
   } else if (pAlterSQL->type == TSDB_ALTER_TABLE_UPDATE_TAG_VAL) {
@@ -6906,7 +6905,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
     int16_t       numOfTags = tscGetNumOfTags(pTableMeta);
 
     SColumnIndex columnIndex = COLUMN_INDEX_INITIALIZER;
-    SStrToken    name = {.type = TK_STRING, .z = item->pVar.pz, .n = item->pVar.nLen};
+    SStrToken    name = {.z = item->pVar.pz, .n = item->pVar.nLen};
     if (getColumnIndexByName(&name, pQueryInfo, &columnIndex, tscGetErrorMsgPayload(pCmd)) != TSDB_CODE_SUCCESS) {
       return TSDB_CODE_TSC_INVALID_OPERATION;
     }
@@ -7039,14 +7038,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
     tVariantListItem* pItem = taosArrayGet(pAlterSQL->varList, 0);
 
     SColumnIndex columnIndex = COLUMN_INDEX_INITIALIZER;
-    SStrToken    name = {.type = TK_STRING, .z = pItem->pVar.pz, .n = pItem->pVar.nLen};
-
-    //handle Escape character backstick
-    bool inEscape = false;
-    if (name.z[0] == TS_BACKQUOTE_CHAR && name.z[name.n - 1] == TS_BACKQUOTE_CHAR) {
-      inEscape = true;
-      name.type = TK_ID;
-    }
+    SStrToken    name = {.z = pItem->pVar.pz, .n = pItem->pVar.nLen};
 
     if (getColumnIndexByName(&name, pQueryInfo, &columnIndex, tscGetErrorMsgPayload(pCmd)) != TSDB_CODE_SUCCESS) {
       return invalidOperationMsg(pMsg, msg17);
@@ -7058,13 +7050,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
 
     char name1[TSDB_COL_NAME_LEN] = {0};
     tstrncpy(name1, pItem->pVar.pz, sizeof(name1));
-
-    int32_t nameLen = pItem->pVar.nLen;
-    if (inEscape) {
-      memmove(name1, name1 + 1, nameLen);
-      name1[nameLen - TS_BACKQUOTE_CHAR_SIZE] = '\0';
-    }
-
+    stringProcess(name1, strlen(name1));
     TAOS_FIELD f = tscCreateField(TSDB_DATA_TYPE_INT, name1, tDataTypes[TSDB_DATA_TYPE_INT].bytes);
     tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
   } else if (pAlterSQL->type == TSDB_ALTER_TABLE_CHANGE_COLUMN) {
@@ -7072,21 +7058,13 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
       return invalidOperationMsg(pMsg, msg16);
     }
 
-
     TAOS_FIELD* pItem = taosArrayGet(pAlterSQL->pAddColumns, 0);
     if (pItem->type != TSDB_DATA_TYPE_BINARY && pItem->type != TSDB_DATA_TYPE_NCHAR) {
       return invalidOperationMsg(pMsg, msg21);
     }
 
     SColumnIndex columnIndex = COLUMN_INDEX_INITIALIZER;
-    SStrToken    name = {.type = TK_STRING, .z = pItem->name, .n = (uint32_t)strlen(pItem->name)};
-
-    //handle Escape character backstick
-    bool inEscape = false;
-    if (name.z[0] == TS_BACKQUOTE_CHAR && name.z[name.n - 1] == TS_BACKQUOTE_CHAR) {
-      inEscape = true;
-      name.type = TK_ID;
-    }
+    SStrToken    name = {.z = pItem->name, .n = (uint32_t)strlen(pItem->name)};
 
     if (getColumnIndexByName(&name, pQueryInfo, &columnIndex, tscGetErrorMsgPayload(pCmd)) != TSDB_CODE_SUCCESS) {
       return invalidOperationMsg(pMsg, msg17);
@@ -7122,12 +7100,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
       return invalidOperationMsg(pMsg, msg24);
     }
 
-    if (inEscape) {
-      memmove(name.z, name.z + 1, name.n);
-      name.z[name.n - TS_BACKQUOTE_CHAR_SIZE] = '\0';
-      name.n -= TS_BACKQUOTE_CHAR_SIZE;
-    }
-
+    stringProcess(name.z, name.n);
     TAOS_FIELD f = tscCreateField(pColSchema->type, name.z, pItem->bytes);
     tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
   }else if (pAlterSQL->type == TSDB_ALTER_TABLE_MODIFY_TAG_COLUMN) {
@@ -7141,13 +7114,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
     }
 
     SColumnIndex columnIndex = COLUMN_INDEX_INITIALIZER;
-    SStrToken    name = {.type = TK_STRING, .z = pItem->name, .n = (uint32_t)strlen(pItem->name)};
-    //handle Escape character backstick
-    if (name.z[0] == TS_BACKQUOTE_CHAR && name.z[name.n - 1] == TS_BACKQUOTE_CHAR) {
-      memmove(name.z, name.z + 1, name.n);
-      name.z[name.n - TS_BACKQUOTE_CHAR_SIZE] = '\0';
-      name.n -= TS_BACKQUOTE_CHAR_SIZE;
-    }
+    SStrToken    name = {.z = pItem->name, .n = (uint32_t)strlen(pItem->name)};
     if (getColumnIndexByName(&name, pQueryInfo, &columnIndex, tscGetErrorMsgPayload(pCmd)) != TSDB_CODE_SUCCESS) {
       return invalidOperationMsg(pMsg, msg17);
     }
@@ -7188,6 +7155,7 @@ int32_t setAlterTableInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
       return invalidOperationMsg(pMsg, msg24);
     }
 
+    stringProcess(name.z, name.n);
     TAOS_FIELD f = tscCreateField(pColSchema->type, name.z, pItem->bytes);
     tscFieldInfoAppend(&pQueryInfo->fieldsInfo, &f);
   }
diff --git a/src/query/inc/sql.y b/src/query/inc/sql.y
index 1bf9c493ff82120f810169999dec83f1a9d538a2..27cfa3e1151fd321d56bcf8745118b7c7865127e 100644
--- a/src/query/inc/sql.y
+++ b/src/query/inc/sql.y
@@ -859,7 +859,7 @@ cmd ::= ALTER TABLE ids(X) cpxName(Z) DROP TAG ids(Y).          {
     X.n += Z.n;
 
     toTSDBType(Y.type);
-    SArray* A = tVariantListAppendToken(NULL, &Y, -1, true);
+    SArray* A = tVariantListAppendToken(NULL, &Y, -1, false);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, A, TSDB_ALTER_TABLE_DROP_TAG_COLUMN, -1);
     setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
@@ -869,10 +869,10 @@ cmd ::= ALTER TABLE ids(X) cpxName(F) CHANGE TAG ids(Y) ids(Z). {
     X.n += F.n;
 
     toTSDBType(Y.type);
-    SArray* A = tVariantListAppendToken(NULL, &Y, -1, true);
+    SArray* A = tVariantListAppendToken(NULL, &Y, -1, false);
 
     toTSDBType(Z.type);
-    A = tVariantListAppendToken(A, &Z, -1, true);
+    A = tVariantListAppendToken(A, &Z, -1, false);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, A, TSDB_ALTER_TABLE_CHANGE_TAG_COLUMN, -1);
     setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
@@ -882,7 +882,7 @@ cmd ::= ALTER TABLE ids(X) cpxName(F) SET TAG ids(Y) EQ tagitem(Z).     {
     X.n += F.n;
 
     toTSDBType(Y.type);
-    SArray* A = tVariantListAppendToken(NULL, &Y, -1, true);
+    SArray* A = tVariantListAppendToken(NULL, &Y, -1, false);
     A = tVariantListAppend(A, &Z, -1);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, A, TSDB_ALTER_TABLE_UPDATE_TAG_VAL, -1);
@@ -906,7 +906,7 @@ cmd ::= ALTER STABLE ids(X) cpxName(F) DROP COLUMN ids(A).     {
     X.n += F.n;
 
     toTSDBType(A.type);
-    SArray* K = tVariantListAppendToken(NULL, &A, -1, true);
+    SArray* K = tVariantListAppendToken(NULL, &A, -1, false);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, K, TSDB_ALTER_TABLE_DROP_COLUMN, TSDB_SUPER_TABLE);
     setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
@@ -928,7 +928,7 @@ cmd ::= ALTER STABLE ids(X) cpxName(Z) DROP TAG ids(Y).          {
     X.n += Z.n;
 
     toTSDBType(Y.type);
-    SArray* A = tVariantListAppendToken(NULL, &Y, -1, true);
+    SArray* A = tVariantListAppendToken(NULL, &Y, -1, false);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, A, TSDB_ALTER_TABLE_DROP_TAG_COLUMN, TSDB_SUPER_TABLE);
     setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
@@ -938,10 +938,10 @@ cmd ::= ALTER STABLE ids(X) cpxName(F) CHANGE TAG ids(Y) ids(Z). {
     X.n += F.n;
 
     toTSDBType(Y.type);
-    SArray* A = tVariantListAppendToken(NULL, &Y, -1, true);
+    SArray* A = tVariantListAppendToken(NULL, &Y, -1, false);
 
     toTSDBType(Z.type);
-    A = tVariantListAppendToken(A, &Z, -1, true);
+    A = tVariantListAppendToken(A, &Z, -1, false);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, A, TSDB_ALTER_TABLE_CHANGE_TAG_COLUMN, TSDB_SUPER_TABLE);
     setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
@@ -951,7 +951,7 @@ cmd ::= ALTER STABLE ids(X) cpxName(F) SET TAG ids(Y) EQ tagitem(Z).     {
     X.n += F.n;
 
     toTSDBType(Y.type);
-    SArray* A = tVariantListAppendToken(NULL, &Y, -1, true);
+    SArray* A = tVariantListAppendToken(NULL, &Y, -1, false);
     A = tVariantListAppend(A, &Z, -1);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&X, NULL, A, TSDB_ALTER_TABLE_UPDATE_TAG_VAL, TSDB_SUPER_TABLE);
diff --git a/src/query/src/sql.c b/src/query/src/sql.c
index cc06376781778ff0323f46475f58fa074fb33d5c..cad25e9cba447670e74ba598460e6ec05c1d2795 100644
--- a/src/query/src/sql.c
+++ b/src/query/src/sql.c
@@ -3843,7 +3843,7 @@ static YYACTIONTYPE yy_reduce(
     yymsp[-4].minor.yy0.n += yymsp[-3].minor.yy0.n;
 
     toTSDBType(yymsp[0].minor.yy0.type);
-    SArray* A = tVariantListAppendToken(NULL, &yymsp[0].minor.yy0, -1, true);
+    SArray* A = tVariantListAppendToken(NULL, &yymsp[0].minor.yy0, -1, false);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-4].minor.yy0, NULL, A, TSDB_ALTER_TABLE_DROP_TAG_COLUMN, -1);
     setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
@@ -3854,10 +3854,10 @@ static YYACTIONTYPE yy_reduce(
     yymsp[-5].minor.yy0.n += yymsp[-4].minor.yy0.n;
 
     toTSDBType(yymsp[-1].minor.yy0.type);
-    SArray* A = tVariantListAppendToken(NULL, &yymsp[-1].minor.yy0, -1, true);
+    SArray* A = tVariantListAppendToken(NULL, &yymsp[-1].minor.yy0, -1, false);
 
     toTSDBType(yymsp[0].minor.yy0.type);
-    A = tVariantListAppendToken(A, &yymsp[0].minor.yy0, -1, true);
+    A = tVariantListAppendToken(A, &yymsp[0].minor.yy0, -1, false);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-5].minor.yy0, NULL, A, TSDB_ALTER_TABLE_CHANGE_TAG_COLUMN, -1);
     setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
@@ -3868,7 +3868,7 @@ static YYACTIONTYPE yy_reduce(
     yymsp[-6].minor.yy0.n += yymsp[-5].minor.yy0.n;
 
     toTSDBType(yymsp[-2].minor.yy0.type);
-    SArray* A = tVariantListAppendToken(NULL, &yymsp[-2].minor.yy0, -1, true);
+    SArray* A = tVariantListAppendToken(NULL, &yymsp[-2].minor.yy0, -1, false);
     A = tVariantListAppend(A, &yymsp[0].minor.yy162, -1);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-6].minor.yy0, NULL, A, TSDB_ALTER_TABLE_UPDATE_TAG_VAL, -1);
@@ -3894,7 +3894,7 @@ static YYACTIONTYPE yy_reduce(
     yymsp[-4].minor.yy0.n += yymsp[-3].minor.yy0.n;
 
     toTSDBType(yymsp[0].minor.yy0.type);
-    SArray* K = tVariantListAppendToken(NULL, &yymsp[0].minor.yy0, -1, true);
+    SArray* K = tVariantListAppendToken(NULL, &yymsp[0].minor.yy0, -1, false);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-4].minor.yy0, NULL, K, TSDB_ALTER_TABLE_DROP_COLUMN, TSDB_SUPER_TABLE);
     setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
@@ -3919,7 +3919,7 @@ static YYACTIONTYPE yy_reduce(
     yymsp[-4].minor.yy0.n += yymsp[-3].minor.yy0.n;
 
     toTSDBType(yymsp[0].minor.yy0.type);
-    SArray* A = tVariantListAppendToken(NULL, &yymsp[0].minor.yy0, -1, true);
+    SArray* A = tVariantListAppendToken(NULL, &yymsp[0].minor.yy0, -1, false);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-4].minor.yy0, NULL, A, TSDB_ALTER_TABLE_DROP_TAG_COLUMN, TSDB_SUPER_TABLE);
     setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
@@ -3930,10 +3930,10 @@ static YYACTIONTYPE yy_reduce(
     yymsp[-5].minor.yy0.n += yymsp[-4].minor.yy0.n;
 
     toTSDBType(yymsp[-1].minor.yy0.type);
-    SArray* A = tVariantListAppendToken(NULL, &yymsp[-1].minor.yy0, -1, true);
+    SArray* A = tVariantListAppendToken(NULL, &yymsp[-1].minor.yy0, -1, false);
 
     toTSDBType(yymsp[0].minor.yy0.type);
-    A = tVariantListAppendToken(A, &yymsp[0].minor.yy0, -1, true);
+    A = tVariantListAppendToken(A, &yymsp[0].minor.yy0, -1, false);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-5].minor.yy0, NULL, A, TSDB_ALTER_TABLE_CHANGE_TAG_COLUMN, TSDB_SUPER_TABLE);
     setSqlInfo(pInfo, pAlterTable, NULL, TSDB_SQL_ALTER_TABLE);
@@ -3944,7 +3944,7 @@ static YYACTIONTYPE yy_reduce(
     yymsp[-6].minor.yy0.n += yymsp[-5].minor.yy0.n;
 
     toTSDBType(yymsp[-2].minor.yy0.type);
-    SArray* A = tVariantListAppendToken(NULL, &yymsp[-2].minor.yy0, -1, true);
+    SArray* A = tVariantListAppendToken(NULL, &yymsp[-2].minor.yy0, -1, false);
     A = tVariantListAppend(A, &yymsp[0].minor.yy162, -1);
 
     SAlterTableInfo* pAlterTable = tSetAlterTableInfo(&yymsp[-6].minor.yy0, NULL, A, TSDB_ALTER_TABLE_UPDATE_TAG_VAL, TSDB_SUPER_TABLE);
diff --git a/tests/pytest/alter/alterBackQuoteCol.py b/tests/pytest/alter/alterBackQuoteCol.py
new file mode 100644
index 0000000000000000000000000000000000000000..e929b9bc8cd51277d87e5125735441b1e429cdeb
--- /dev/null
+++ b/tests/pytest/alter/alterBackQuoteCol.py
@@ -0,0 +1,69 @@
+
+# -*- coding: utf-8 -*-
+
+import random
+import string
+import subprocess
+import sys
+from util.log import *
+from util.cases import *
+from util.sql import *
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+    def run(self):
+        tdLog.debug("check databases")
+        tdSql.prepare()
+
+        ### test normal table
+        tdSql.execute("create database if not exists db")
+        tdSql.execute("use db")
+        tdSql.execute("create stable `sch.job.create` (`ts` TIMESTAMP, `tint` int, `node.value` NCHAR(7)) TAGS (`endpoint` NCHAR(7),`task.type` NCHAR(3))")
+        tdSql.execute("alter table `sch.job.create` modify tag `task.type` NCHAR(4)")
+        tdSql.execute("alter table `sch.job.create` change tag `task.type` `chan.type`")
+        tdSql.execute("alter table `sch.job.create` drop tag `chan.type`")
+        tdSql.execute("alter table `sch.job.create` add tag `add.type` NCHAR(6)")
+        tdSql.query("describe `sch.job.create`")
+        tdSql.checkData(4, 0, "add.type")
+
+        tdSql.execute("alter table `sch.job.create` modify column `node.value` NCHAR(8)")
+        tdSql.execute("alter table `sch.job.create` drop column `node.value`")
+        tdSql.execute("alter table `sch.job.create` add column `add.value` NCHAR(6)")
+
+        tdSql.query("describe `sch.job.create`")
+        tdSql.checkData(2, 0, "add.value")
+
+        tdSql.execute("insert into `tsch.job.create` using `sch.job.create`(`add.type`) TAGS('tag1') values(now, 1, 'here')")
+        tdSql.execute("alter table `tsch.job.create` set tag `add.type` = 'tag2'")
+        tdSql.query("select `add.type` from `tsch.job.create`")
+        tdSql.checkData(0, 0, "tag2")
+
+        ### test stable
+        tdSql.execute("create stable `ssch.job.create` (`ts` TIMESTAMP, `tint` int, `node.value` NCHAR(7)) TAGS (`endpoint` NCHAR(7),`task.type` NCHAR(3))")
+        tdSql.execute("alter stable `ssch.job.create` modify tag `task.type` NCHAR(4)")
+        tdSql.execute("alter stable `ssch.job.create` change tag `task.type` `chan.type`")
+        tdSql.execute("alter stable `ssch.job.create` drop tag `chan.type`")
+        tdSql.execute("alter stable `ssch.job.create` add tag `add.type` NCHAR(6)")
+        tdSql.query("describe `ssch.job.create`")
+        tdSql.checkData(4, 0, "add.type")
+
+        tdSql.execute("alter stable `ssch.job.create` modify column `node.value` NCHAR(8)")
+        tdSql.execute("alter stable `ssch.job.create` drop column `node.value`")
+        tdSql.execute("alter stable `ssch.job.create` add column `add.value` NCHAR(6)")
+
+        tdSql.query("describe `ssch.job.create`")
+        tdSql.checkData(2, 0, "add.value")
+
+        tdSql.execute("insert into `tssch.job.create` using `ssch.job.create`(`add.type`) TAGS('tag1') values(now, 1, 'here')")
+        tdSql.error("alter stable `tssch.job.create` set tag `add.type` = 'tag2'")
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
\ No newline at end of file
diff --git a/tests/pytest/fulltest.sh b/tests/pytest/fulltest.sh
index cf1b4b21cf4913b70ac5364e95b64ca3b124c558..0e5121591cc79c57620d61454e2cfce3c6488ad3 100755
--- a/tests/pytest/fulltest.sh
+++ b/tests/pytest/fulltest.sh
@@ -417,6 +417,7 @@ python3 ./test.py -f insert/flushwhiledrop.py
 python3 ./test.py -f alter/alterColMultiTimes.py
 python3 ./test.py -f query/queryWildcardLength.py
 python3 ./test.py -f query/queryTbnameUpperLower.py
+python3 ./test.py -f alter/alterBackQuoteCol.py
 
 python3 ./test.py -f query/query.py
 python3 ./test.py -f query/queryDiffColsTagsAndOr.py