diff --git a/src/kit/shell/inc/shellAuto.h b/src/kit/shell/inc/shellAuto.h
index 0bd6bdf4038c112b453feea02950cc3aa5577a50..51fd4656ec6eb4a74d12556f87c2c19618e7ccd1 100644
--- a/src/kit/shell/inc/shellAuto.h
+++ b/src/kit/shell/inc/shellAuto.h
@@ -33,5 +33,7 @@ void shellAutoExit();
 // callback autotab module
 void callbackAutoTab(char* sqlstr, TAOS* pSql, bool usedb);
 
+// show all commands help
+void showHelp();
 
 #endif
diff --git a/src/kit/shell/src/shellAuto.c b/src/kit/shell/src/shellAuto.c
index a96aa3f5810e69bef42242e9d26d9528c8f8ce3e..448bb5217ea754510d4ef8d384c130e6a1fb2180 100644
--- a/src/kit/shell/src/shellAuto.c
+++ b/src/kit/shell/src/shellAuto.c
@@ -1438,25 +1438,37 @@ bool matchSelectQuery(TAOS * con, Command * cmd) {
 }
 
 // if is input create fields or tags area, return true
-bool isCreateFieldsArea(char * p) {
-  char * left  = strrchr(p, '(');
-  if (left == NULL) {
-    // like 'create table st'
-    return false;
-  }
+bool isCreateFieldsArea(char* p) {
+  // put to while, support like create table st(ts timestamp, bin1 binary(16), bin2 + blank + TAB
+  char* p1 = strdup(p);
+  bool  ret = false;
+  while (1) {
+    char* left = strrchr(p1, '(');
+    if (left == NULL) {
+      // like 'create table st'
+      ret = false;
+      break;
+    }
 
-  char * right = strrchr(p, ')');
-  if(right == NULL) {
-    // like 'create table st( '
-    return true;
-  }
+    char* right = strrchr(p1, ')');
+    if (right == NULL) {
+      // like 'create table st( '
+      ret = true;
+      break;
+    }
 
-  if (left > right) {
-    // like 'create table st( ts timestamp, age int) tags(area '
-    return true;
+    if (left > right) {
+      // like 'create table st( ts timestamp, age int) tags(area '
+      ret = true;
+      break;
+    }
+
+    // set string end by small for next strrchr search
+    *left = 0;
   }
+  free(p1);
 
-  return false;
+  return ret;
 }
 
 bool matchCreateTable(TAOS * con, Command * cmd) {
diff --git a/src/kit/shell/src/shellEngine.c b/src/kit/shell/src/shellEngine.c
index 9e21dba80b1073f55f18125757436e1fd8b1f5a6..47bbdf9f9a14eabaae7573ff599cda4a9f38a12b 100644
--- a/src/kit/shell/src/shellEngine.c
+++ b/src/kit/shell/src/shellEngine.c
@@ -216,6 +216,14 @@ int32_t shellRunCommand(TAOS* con, char* command) {
     return 0;
   }
 
+  // add help or help;
+#ifndef WINDOWS  
+  if (strcmp(command, "help") == 0 || strcmp(command, "help;") == 0) {
+    showHelp();
+    return 0;
+  }
+#endif
+
   /* Update the history vector. */
   if (history.hstart == history.hend ||
       history.hist[(history.hend + MAX_HISTORY_SIZE - 1) % MAX_HISTORY_SIZE] == NULL ||
@@ -377,7 +385,7 @@ void shellRunCommandOnServer(TAOS *con, char command[]) {
   } else {
     int num_rows_affacted = taos_affected_rows(pSql);
     et = taosGetTimestampUs();
-    printf("Query OK, %d row(s) affected(%.6fs)\n", num_rows_affacted, (et - st) / 1E6);
+    printf("Query OK, %d row(s) affected (%.6fs)\n", num_rows_affacted, (et - st) / 1E6);
 
 #ifndef WINDOWS
     // call auto tab