diff --git a/src/client/CMakeLists.txt b/src/client/CMakeLists.txt
index 2f83557d63c288173f8b541caf32fe9fe2e73338..0d06e5d39c0ed1916e0c2af7ccce5918e31ac42f 100644
--- a/src/client/CMakeLists.txt
+++ b/src/client/CMakeLists.txt
@@ -4,6 +4,8 @@ PROJECT(TDengine)
 INCLUDE_DIRECTORIES(inc)
 INCLUDE_DIRECTORIES(jni)
 INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/query/inc)
+INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/deps/zlib-1.2.11/inc)
+INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/plugins/http/inc)
 AUX_SOURCE_DIRECTORY(src SRC)
 
 IF (TD_LINUX)
diff --git a/src/client/inc/tscUtil.h b/src/client/inc/tscUtil.h
index da1d2b01c35ec8f89785c933ef3a8bcc7cb5faef..81e430f5c2ae2e8e4c0dda10ae3daff6d90d897c 100644
--- a/src/client/inc/tscUtil.h
+++ b/src/client/inc/tscUtil.h
@@ -361,6 +361,8 @@ SNewVgroupInfo createNewVgroupInfo(SVgroupMsg *pVgroupMsg);
 
 void tscRemoveTableMetaBuf(STableMetaInfo* pTableMetaInfo, uint64_t id);
 
+char* cloneCurrentDBName(SSqlObj* pSql);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/client/inc/tsclient.h b/src/client/inc/tsclient.h
index 4249155eab6284c54f206dfa4d2a8e82fb1be895..ecb83e13c99cbcb3778eacba21fa8212831431fe 100644
--- a/src/client/inc/tsclient.h
+++ b/src/client/inc/tsclient.h
@@ -38,6 +38,11 @@ extern "C" {
 #include "qUtil.h"
 #include "tcmdtype.h"
 
+typedef enum {
+  TAOS_REQ_FROM_SHELL,
+  TAOS_REQ_FROM_HTTP
+} SReqOrigin;
+
 // forward declaration
 struct SSqlInfo;
 
@@ -341,6 +346,7 @@ typedef struct STscObj {
   SRpcCorEpSet      *tscCorMgmtEpSet;
   pthread_mutex_t    mutex;
   int32_t            numOfObj; // number of sqlObj from this tscObj
+  SReqOrigin         from;
 } STscObj;
 
 typedef struct SSubqueryState {
diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index da5bd7d3cc5bc752105e288bf5976fd5ed42a7f3..4f36f0c193a5d12c7c7cb963398debcda8ead2ce 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -70,7 +70,6 @@ static int  convertTimestampStrToInt64(tVariant *pVar, int32_t precision);
 static bool serializeExprListToVariant(SArray* pList, tVariant **dst, int16_t colType, uint8_t precision);
 
 static bool has(SArray* pFieldList, int32_t startIdx, const char* name);
-static char* cloneCurrentDBName(SSqlObj* pSql);
 static int32_t getDelimiterIndex(SStrToken* pTableName);
 static bool validateTableColumnInfo(SArray* pFieldList, SSqlCmd* pCmd);
 static bool validateTagParams(SArray* pTagsList, SArray* pFieldList, SSqlCmd* pCmd);
@@ -1675,14 +1674,6 @@ static bool has(SArray* pFieldList, int32_t startIdx, const char* name) {
 
 static char* getAccountId(SSqlObj* pSql) { return pSql->pTscObj->acctId; }
 
-static char* cloneCurrentDBName(SSqlObj* pSql) {
-  pthread_mutex_lock(&pSql->pTscObj->mutex);
-  char *p = strdup(pSql->pTscObj->db);  
-  pthread_mutex_unlock(&pSql->pTscObj->mutex);
-
-  return p;
-}
-
 /* length limitation, strstr cannot be applied */
 static int32_t getDelimiterIndex(SStrToken* pTableName) {
   for (uint32_t i = 0; i < pTableName->n; ++i) {
diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index bdebd14f571d1fdca0192c6636e8ade4073eb9bc..ef6c4030965baf6116120cece1bcf493b33e2f41 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -1531,7 +1531,6 @@ int32_t tscBuildSyncDbReplicaMsg(SSqlObj* pSql, SSqlInfo *pInfo) {
 }
 
 int32_t tscBuildShowMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
-  STscObj *pObj = pSql->pTscObj;
   SSqlCmd *pCmd = &pSql->cmd;
   pCmd->msgType = TSDB_MSG_TYPE_CM_SHOW;
   pCmd->payloadLen = sizeof(SShowMsg) + 100;
@@ -1554,9 +1553,9 @@ int32_t tscBuildShowMsg(SSqlObj *pSql, SSqlInfo *pInfo) {
   }
 
   if (tNameIsEmpty(&pTableMetaInfo->name)) {
-    pthread_mutex_lock(&pObj->mutex);
-    tstrncpy(pShowMsg->db, pObj->db, sizeof(pShowMsg->db));  
-    pthread_mutex_unlock(&pObj->mutex);
+    char *p = cloneCurrentDBName(pSql);
+    tstrncpy(pShowMsg->db, p, sizeof(pShowMsg->db));
+    tfree(p);
   } else {
     tNameGetFullDbName(&pTableMetaInfo->name, pShowMsg->db);
   }
diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 1b4dff4b1b5a9c0b8053ed3f6289676c87ab0289..43a53e4183e243495d4a1b7e16ae0df106fa1f90 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -29,6 +29,7 @@
 #include "tsclient.h"
 #include "ttimer.h"
 #include "ttokendef.h"
+#include "httpInt.h"
 
 static void freeQueryInfoImpl(SQueryInfo* pQueryInfo);
 
@@ -5022,3 +5023,31 @@ void tscRemoveTableMetaBuf(STableMetaInfo* pTableMetaInfo, uint64_t id) {
   taosHashRemove(tscTableMetaMap, fname, len);
   tscDebug("0x%"PRIx64" remove table meta %s, numOfRemain:%d", id, fname, (int32_t) taosHashGetSize(tscTableMetaMap));
 }
+
+char* cloneCurrentDBName(SSqlObj* pSql) {
+  char        *p = NULL;
+  HttpContext *pCtx = NULL;
+
+  pthread_mutex_lock(&pSql->pTscObj->mutex);
+  STscObj *pTscObj = pSql->pTscObj;
+  switch (pTscObj->from) {
+  case TAOS_REQ_FROM_HTTP:
+    pCtx = pSql->param;
+    if (pCtx && pCtx->db[0] != '\0') {
+      char db[TSDB_ACCT_ID_LEN + TSDB_DB_NAME_LEN] = {0};
+      int32_t len = sprintf(db, "%s%s%s", pTscObj->acctId, TS_PATH_DELIMITER, pCtx->db);
+      assert(len <= sizeof(db));
+
+      p = strdup(db);
+    }
+    break;
+  default:
+    break;
+  }
+  if (p == NULL) {
+    p = strdup(pSql->pTscObj->db);
+  }
+  pthread_mutex_unlock(&pSql->pTscObj->mutex);
+
+  return p;
+}
diff --git a/src/common/inc/tglobal.h b/src/common/inc/tglobal.h
index 3c2069339aa4c70231c488ae4e53ac349322a43f..a384cf6e70485b8f7d1b06b7f7e86ba92776b547 100644
--- a/src/common/inc/tglobal.h
+++ b/src/common/inc/tglobal.h
@@ -125,6 +125,7 @@ extern int32_t  tsHttpMaxThreads;
 extern int8_t   tsHttpEnableCompress;
 extern int8_t   tsHttpEnableRecordSql;
 extern int8_t   tsTelegrafUseFieldNum;
+extern int8_t   tsHttpDbNameMandatory;
 
 // mqtt
 extern int8_t tsEnableMqttModule;
diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index c0e94eb921688246bac1067a48fb77c10acdb3bb..e97f3a7338d0122b3b1aae6243d8a867f638de37 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -165,6 +165,7 @@ int32_t  tsHttpMaxThreads = 2;
 int8_t   tsHttpEnableCompress = 1;
 int8_t   tsHttpEnableRecordSql = 0;
 int8_t   tsTelegrafUseFieldNum = 0;
+int8_t   tsHttpDbNameMandatory = 0;
 
 // mqtt
 int8_t tsEnableMqttModule = 0;  // not finished yet, not started it by default
@@ -1267,6 +1268,16 @@ static void doInitGlobalConfig(void) {
   cfg.unitType = TAOS_CFG_UTYPE_NONE;
   taosInitConfigOption(cfg);
 
+  cfg.option = "httpDbNameMandatory";
+  cfg.ptr = &tsHttpDbNameMandatory;
+  cfg.valType = TAOS_CFG_VTYPE_INT8;
+  cfg.cfgType = TSDB_CFG_CTYPE_B_CONFIG;
+  cfg.minValue = 0;
+  cfg.maxValue = 1;
+  cfg.ptrLength = 0;
+  cfg.unitType = TAOS_CFG_UTYPE_NONE;
+  taosInitConfigOption(cfg);
+
   // debug flag
   cfg.option = "numOfLogLines";
   cfg.ptr = &tsNumOfLogLines;
diff --git a/src/plugins/http/CMakeLists.txt b/src/plugins/http/CMakeLists.txt
index 57fc2ee3a2692c239d7fa36d6e55ddae738a2720..89fdc141b66adafb9f882dd6f59eca54053aff6c 100644
--- a/src/plugins/http/CMakeLists.txt
+++ b/src/plugins/http/CMakeLists.txt
@@ -6,6 +6,7 @@ INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/deps/cJson/inc)
 INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/deps/lz4/inc)
 INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/client/inc)
 INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/query/inc)
+INCLUDE_DIRECTORIES(${TD_COMMUNITY_DIR}/src/common/inc)
 INCLUDE_DIRECTORIES(inc)
 AUX_SOURCE_DIRECTORY(src SRC)
 
diff --git a/src/plugins/http/inc/httpInt.h b/src/plugins/http/inc/httpInt.h
index 0a5822b90893861eb12aea756bf877bc81730413..99a5b770aa140df0d0c5787091cb8950ae6dd25f 100644
--- a/src/plugins/http/inc/httpInt.h
+++ b/src/plugins/http/inc/httpInt.h
@@ -150,6 +150,7 @@ typedef struct HttpContext {
   char         ipstr[22];
   char         user[TSDB_USER_LEN];  // parsed from auth token or login message
   char         pass[HTTP_PASSWORD_LEN];
+  char         db[/*TSDB_ACCT_ID_LEN + */TSDB_DB_NAME_LEN];
   TAOS *       taos;
   void *       ppContext;
   HttpSession *session;
diff --git a/src/plugins/http/inc/httpRestHandle.h b/src/plugins/http/inc/httpRestHandle.h
index 632a1dc64739e39d1e9671fd41f9c224597eff07..df405685e91a520d8b948fdc056d9386626368a2 100644
--- a/src/plugins/http/inc/httpRestHandle.h
+++ b/src/plugins/http/inc/httpRestHandle.h
@@ -22,12 +22,12 @@
 #include "httpResp.h"
 #include "httpSql.h"
 
-#define REST_ROOT_URL_POS   0
-#define REST_ACTION_URL_POS 1
-#define REST_USER_URL_POS   2
-#define REST_PASS_URL_POS   3
+#define REST_ROOT_URL_POS         0
+#define REST_ACTION_URL_POS       1
+#define REST_USER_USEDB_URL_POS   2
+#define REST_PASS_URL_POS         3
 
 void restInitHandle(HttpServer* pServer);
 bool restProcessRequest(struct HttpContext* pContext);
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/plugins/http/src/httpRestHandle.c b/src/plugins/http/src/httpRestHandle.c
index a285670d20ae1e5a9c8bd6c41971fc57cda3320a..24e4f90244cf52799fde1a45054875a4bf3d1850 100644
--- a/src/plugins/http/src/httpRestHandle.c
+++ b/src/plugins/http/src/httpRestHandle.c
@@ -19,6 +19,7 @@
 #include "httpLog.h"
 #include "httpRestHandle.h"
 #include "httpRestJson.h"
+#include "tglobal.h"
 
 static HttpDecodeMethod restDecodeMethod = {"rest", restProcessRequest};
 static HttpDecodeMethod restDecodeMethod2 = {"restful", restProcessRequest};
@@ -62,11 +63,11 @@ void restInitHandle(HttpServer* pServer) {
 
 bool restGetUserFromUrl(HttpContext* pContext) {
   HttpParser* pParser = pContext->parser;
-  if (pParser->path[REST_USER_URL_POS].pos >= TSDB_USER_LEN || pParser->path[REST_USER_URL_POS].pos <= 0) {
+  if (pParser->path[REST_USER_USEDB_URL_POS].pos >= TSDB_USER_LEN || pParser->path[REST_USER_USEDB_URL_POS].pos <= 0) {
     return false;
   }
 
-  tstrncpy(pContext->user, pParser->path[REST_USER_URL_POS].str, TSDB_USER_LEN);
+  tstrncpy(pContext->user, pParser->path[REST_USER_USEDB_URL_POS].str, TSDB_USER_LEN);
   return true;
 }
 
@@ -107,6 +108,24 @@ bool restProcessSqlRequest(HttpContext* pContext, int32_t timestampFmt) {
   HttpSqlCmd* cmd = &(pContext->singleCmd);
   cmd->nativSql = sql;
 
+  /* find if there is db_name in url */
+  pContext->db[0] = '\0';
+
+  HttpString *path = &pContext->parser->path[REST_USER_USEDB_URL_POS];
+  if (tsHttpDbNameMandatory) {
+    if (path->pos == 0) {
+      httpError("context:%p, fd:%d, user:%s, database name is mandatory", pContext, pContext->fd, pContext->user);
+      httpSendErrorResp(pContext, TSDB_CODE_HTTP_INVALID_URL);
+      return false;
+    }
+  }
+
+  if (path->pos > 0 && !(strlen(sql) > 4 && (sql[0] == 'u' || sql[0] == 'U') &&
+      (sql[1] == 's' || sql[1] == 'S') && (sql[2] == 'e' || sql[2] == 'E') && sql[3] == ' '))
+  {
+    snprintf(pContext->db, /*TSDB_ACCT_ID_LEN + */TSDB_DB_NAME_LEN, "%s", path->str);
+  }
+
   pContext->reqType = HTTP_REQTYPE_SINGLE_SQL;
   if (timestampFmt == REST_TIMESTAMP_FMT_LOCAL_STRING) {
     pContext->encodeMethod = &restEncodeSqlLocalTimeStringMethod;
diff --git a/src/plugins/http/src/httpSql.c b/src/plugins/http/src/httpSql.c
index c2e723732a0f9d786994527c6cd1ac77f273a736..0dd451f72dbd78233ac8f73d552b6815e3a3fab8 100644
--- a/src/plugins/http/src/httpSql.c
+++ b/src/plugins/http/src/httpSql.c
@@ -419,6 +419,11 @@ void httpProcessRequest(HttpContext *pContext) {
                    &(pContext->taos));
     httpDebug("context:%p, fd:%d, user:%s, try connect tdengine, taos:%p", pContext, pContext->fd, pContext->user,
               pContext->taos);
+
+    if (pContext->taos != NULL) {
+      STscObj *pObj = pContext->taos;
+      pObj->from = TAOS_REQ_FROM_HTTP;
+    }
   } else {
     httpExecCmd(pContext);
   }