diff --git a/src/client/src/tscParseOpenTSDB.c b/src/client/src/tscParseOpenTSDB.c
index 14693ae361b533287e3377e644908c5c8a613c79..47bf474e51d11aeb965aa10b31511aefaafe0bc7 100644
--- a/src/client/src/tscParseOpenTSDB.c
+++ b/src/client/src/tscParseOpenTSDB.c
@@ -58,12 +58,7 @@ static int32_t parseTelnetMetric(TAOS_SML_DATA_POINT *pSml, const char **index,
       break;
     }
 
-    //convert dot to underscore for now, will be removed once dot is allowed in tbname.
-    if (*cur == '.') {
-      pSml->stableName[len] = '_';
-    } else {
-      pSml->stableName[len] = *cur;
-    }
+    pSml->stableName[len] = *cur;
 
     cur++;
     len++;
@@ -461,13 +456,6 @@ int32_t parseMetricFromJSON(cJSON *root, TAOS_SML_DATA_POINT* pSml, SSmlLinesInf
     return TSDB_CODE_TSC_INVALID_JSON;
   }
 
-  //convert dot to underscore for now, will be removed once dot is allowed in tbname.
-  for (int i = 0; i < strlen(metric->valuestring); ++i) {
-    if (metric->valuestring[i] == '.') {
-      metric->valuestring[i] = '_';
-    }
-  }
-
   tstrncpy(pSml->stableName, metric->valuestring, stableLen + 1);
 
   return TSDB_CODE_SUCCESS;
diff --git a/tests/pytest/insert/insertJSONPayload.py b/tests/pytest/insert/insertJSONPayload.py
index 88b03cf3f526a380a97acf2a45b86a2c64b66069..4ce244bddd202da62a7cd3e9582bb14be2088cf2 100644
--- a/tests/pytest/insert/insertJSONPayload.py
+++ b/tests/pytest/insert/insertJSONPayload.py
@@ -35,7 +35,7 @@ class TDTestCase:
         print("============= step0 : test metric  ================")
         payload = '''
         {
-	    "metric":	".stb.0.",
+	    "metric":	"`.stb.0.`",
 	    "timestamp":	1626006833610123,
 	    "value":	10,
 	    "tags":	{
@@ -49,7 +49,7 @@ class TDTestCase:
         code = self._conn.insert_json_payload(payload)
         print("insert_json_payload result {}".format(code))
 
-        tdSql.query("describe _stb_0_")
+        tdSql.query("describe `.stb.0.`")
         tdSql.checkRows(6)
 
         ### metric value ###
diff --git a/tests/pytest/insert/insertTelnetLines.py b/tests/pytest/insert/insertTelnetLines.py
index b47a74249bbad57ef758e886c513a7eea78b7634..5c89f028875d66618a39b3fb2df9ca3f6bcb898b 100644
--- a/tests/pytest/insert/insertTelnetLines.py
+++ b/tests/pytest/insert/insertTelnetLines.py
@@ -36,7 +36,7 @@ class TDTestCase:
                         "stb0_0 1626006833639000000ns 4i8 host=\"host0\" interface=\"eth0\"",
                         "stb0_1 1626006833639000000ns 4i8 host=\"host0\" interface=\"eth0\"",
                         "stb0_2 1626006833639000000ns 4i8 host=\"host0\" interface=\"eth0\"",
-                        ".stb0.3. 1626006833639000000ns 4i8 host=\"host0\" interface=\"eth0\"",
+                        "`.stb0.3.` 1626006833639000000ns 4i8 host=\"host0\" interface=\"eth0\"",
                    ]
 
         code = self._conn.insert_telnet_lines(lines0)
@@ -54,7 +54,7 @@ class TDTestCase:
         tdSql.query("describe stb0_2")
         tdSql.checkRows(4)
 
-        tdSql.query("describe _stb0_3_")
+        tdSql.query("describe `.stb0.3.`")
         tdSql.checkRows(4)
 
         ### timestamp ###