diff --git a/.gitignore b/.gitignore
index ff27b53139..cd1cac4a6d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,7 +51,6 @@ pysim/
 tests/script/api/batchprepare
 taosadapter
 taosadapter-debug
-tools/taos-tools/*
 tools/taosws-rs/*
 tools/taosadapter/*
 tools/upx*
@@ -140,7 +139,6 @@ tags
 *CMakeCache*
 *CMakeFiles*
 .history/
-*.txt
 *.tcl
 *.pc
 contrib/geos
diff --git a/tests/army/cmdline/data/pwdMax.txt b/tests/army/cmdline/data/pwdMax.txt
new file mode 100644
index 0000000000..333b793fe8
--- /dev/null
+++ b/tests/army/cmdline/data/pwdMax.txt
@@ -0,0 +1 @@
+abcdefghigklmnopqrstuvwxyz@ABCDEFGHIGKLMNOPQRSTUVWXYZ123456789!@#$%^&*()-_+=[]{}:;><?|~,.AAAAAAAAAAAABBBBBBBBBBCCCCCCCCCCDDDDDDDDDEEEEEEEEEAAAAAAAAAAAABBBBBBBBBBCCCCCCCCCCDDDDDDDDDEEEEEEEEEAAAAAAAAAAAABBBBBBBBBBCCCCCCCCCCDDDDDDDDDEEEEEEEEEAAAAAAAAAAAABEND
\ No newline at end of file
diff --git a/tests/army/cmdline/taosCli.py b/tests/army/cmdline/taosCli.py
index ba52ba97be..f57f594854 100644
--- a/tests/army/cmdline/taosCli.py
+++ b/tests/army/cmdline/taosCli.py
@@ -213,6 +213,27 @@ class TDTestCase(TBase):
             rlist = self.taos(arg[0])
             if arg[1] != None:
                 self.checkListString(rlist, arg[1])    
+    
+    # password
+    def checkPassword(self):
+        # 255 char max password
+        user    = "test_user"
+        pwd     = ""
+        pwdFile = "cmdline/data/pwdMax.txt"
+        with open(pwdFile) as file:
+            pwd = file.readline()
+        
+        sql = f"create user {user} pass '{pwd}' "
+        tdSql.execute(sql)
+         
+        cmds = [
+            f"-u{user} -p'{pwd}'      -s 'show databases;'",  # command pass
+            f"-u{user} -p < {pwdFile} -s 'show databases;'"   # input   pass
+        ]
+
+        for cmd in cmds:
+            rlist = self.taos(cmd)
+            self.checkListString(rlist, "Query OK,")
 
     # run
     def run(self):
@@ -236,6 +257,9 @@ class TDTestCase(TBase):
         # check data in/out
         self.checkDumpInOut()
 
+        # max password
+        self.checkPassword()
+
         tdLog.success(f"{__file__} successfully executed")
 
 
diff --git a/tests/army/tools/taosdump/native/taosdumpCommandline.py b/tests/army/tools/taosdump/native/taosdumpCommandline.py
index c43ea0e9e7..98f1ff6b1d 100644
--- a/tests/army/tools/taosdump/native/taosdumpCommandline.py
+++ b/tests/army/tools/taosdump/native/taosdumpCommandline.py
@@ -177,14 +177,12 @@ class TDTestCase(TBase):
 
         # executes 
         for item in checkItems:
-            self.clearPath(tmpdir)
+            self.clearPath(tmpdir) # clear tmp
             command = item[0]
             results = item[1]
             rlist = self.taosdump(command)
             for result in results:
                 self.checkListString(rlist, result)
-            # clear tmp    
-
     
     # check except
     def checkExcept(self, command):
@@ -214,6 +212,31 @@ class TDTestCase(TBase):
         self.checkExcept(taosdump + f" -t 2 -k 2 -z 1 -C https://not-exist.com:80/cloud -D test -o {tmpdir}")
         self.checkExcept(taosdump + f" -P 65536")
 
+    # password
+    def checkPassword(self, tmpdir):
+        # 255 char max password
+        user    = "test_user"
+        pwd     = ""
+        pwdFile = "cmdline/data/pwdMax.txt"
+        with open(pwdFile) as file:
+            pwd = file.readline()
+        
+        sql = f"create user {user} pass '{pwd}' "
+        tdSql.execute(sql)
+        # enterprise must set
+        sql = f"grant read on test to {user}"
+        tdSql.execute(sql)
+
+        cmds = [
+            f"-u{user} -p'{pwd}'      -D test -o {tmpdir}",  # command pass
+            f"-u{user} -p < {pwdFile} -D test -o {tmpdir}"   # input   pass
+        ]
+
+        for cmd in cmds:
+            self.clearPath(tmpdir)
+            rlist = self.taosdump(cmd)
+            self.checkListString(rlist, "OK: Database test dumped")
+
     # run
     def run(self):
         
@@ -224,20 +247,26 @@ class TDTestCase(TBase):
         # insert data with taosBenchmark
         db, stb, childCount, insertRows = self.insertData(json)
 
+        #
+        # long password
+        #
+        self.checkPassword(tmpdir)
+        tdLog.info("1. check long password ................................. [Passed]")
+
         # dumpInOut
         modes = ["", "-R" , "--cloud=http://localhost:6041"]
         for mode in modes:
             self.dumpInOutMode(mode, db , json, tmpdir)
 
-        tdLog.info("1. native rest ws dumpIn Out  .......................... [Passed]")
+        tdLog.info("2. native rest ws dumpIn Out  .......................... [Passed]")
 
         # basic commandline
         self.basicCommandLine(tmpdir)
-        tdLog.info("2. basic command line  .................................. [Passed]")
+        tdLog.info("3. basic command line  .................................. [Passed]")
 
         # except commandline
         self.exceptCommandLine(taosdump, db, stb, tmpdir)
-        tdLog.info("3. except command line  ................................. [Passed]")
+        tdLog.info("4. except command line  ................................. [Passed]")
 
         #
         # varbinary and geometry for native
@@ -247,7 +276,8 @@ class TDTestCase(TBase):
         db, stb, childCount, insertRows = self.insertData(json)
         # dump in/out
         self.dumpInOutMode("", db , json, tmpdir)
-        tdLog.info("4. native varbinary geometry ........................... [Passed]")
+        tdLog.info("5. native varbinary geometry ........................... [Passed]")
+
 
 
     def stop(self):
diff --git a/tools/shell/src/shellArguments.c b/tools/shell/src/shellArguments.c
index 0cebd3a047..659bb54aef 100644
--- a/tools/shell/src/shellArguments.c
+++ b/tools/shell/src/shellArguments.c
@@ -337,7 +337,7 @@ static void shellInitArgs(int argc, char *argv[]) {
       if (strlen(argv[i]) == 2) {
         printf("Enter password: ");
         taosSetConsoleEcho(false);
-        if (scanf("%128s", shell.args.password) > 1) {
+        if (scanf("%255s", shell.args.password) > 1) {
           fprintf(stderr, "password reading error\n");
         }
         taosSetConsoleEcho(true);
diff --git a/tools/taos-tools/inc/bench.h b/tools/taos-tools/inc/bench.h
index dfb543cb89..b432e20113 100644
--- a/tools/taos-tools/inc/bench.h
+++ b/tools/taos-tools/inc/bench.h
@@ -152,7 +152,7 @@ typedef unsigned __int32 uint32_t;
 
 #define MAX_JSON_BUFF 6400000
 
-#define INPUT_BUF_LEN         256
+#define INPUT_BUF_LEN         512
 #define EXTRA_SQL_LEN         256
 #define DATATYPE_BUFF_LEN     (TINY_BUFF_LEN * 3)
 #define SML_MAX_BATCH          65536 * 32
diff --git a/tools/taos-tools/inc/dump.h b/tools/taos-tools/inc/dump.h
index b21dca4343..9a30ebb9cd 100644
--- a/tools/taos-tools/inc/dump.h
+++ b/tools/taos-tools/inc/dump.h
@@ -58,6 +58,7 @@
 #define NEED_CALC_COUNT         UINT64_MAX
 #define HUMAN_TIME_LEN      28
 #define DUMP_DIR_LEN        (MAX_DIR_LEN - (TSDB_DB_NAME_LEN + 10))
+#define TSDB_USET_PASSWORD_LONGLEN 256  // come from tdef.h
 
 
 #define debugPrint(fmt, ...) \
@@ -336,7 +337,7 @@ typedef struct arguments {
     // connection option
     char    *host;
     char    *user;
-    char     password[SHELL_MAX_PASSWORD_LEN];
+    char     password[TSDB_USET_PASSWORD_LONGLEN];
     uint16_t port;
     // strlen(taosdump.) +1 is 10
     char     outpath[DUMP_DIR_LEN];
diff --git a/tools/taos-tools/inc/toolsdef.h b/tools/taos-tools/inc/toolsdef.h
index ed17380251..cf982a773e 100644
--- a/tools/taos-tools/inc/toolsdef.h
+++ b/tools/taos-tools/inc/toolsdef.h
@@ -76,9 +76,6 @@ extern "C" {
 #define TSDB_DEFAULT_USER               "root"
 #define TSDB_DEFAULT_PASS               "taosdata"
 
-#define TSDB_PASS_LEN                   129
-#define SHELL_MAX_PASSWORD_LEN          TSDB_PASS_LEN
-
 #define TSDB_TIME_PRECISION_MILLI       0
 #define TSDB_TIME_PRECISION_MICRO       1
 #define TSDB_TIME_PRECISION_NANO        2
diff --git a/tools/taos-tools/src/taosdump.c b/tools/taos-tools/src/taosdump.c
index 35fae99c6a..0d4369d71c 100644
--- a/tools/taos-tools/src/taosdump.c
+++ b/tools/taos-tools/src/taosdump.c
@@ -778,14 +778,13 @@ static void parse_args(
                   || (strncmp(argv[i], "--password", 10) == 0)) {
                 printf("Enter password: ");
                 setConsoleEcho(false);
-                if (scanf("%20s", arguments->password) > 1) {
+                if (scanf("%255s", arguments->password) > 1) {
                     errorPrint("%s() LN%d, password read error!\n",
                             __func__, __LINE__);
                 }
                 setConsoleEcho(true);
             } else {
-                tstrncpy(arguments->password, (char *)(argv[i] + 2),
-                        SHELL_MAX_PASSWORD_LEN);
+                strcpy(arguments->password, (char *)(argv[i] + 2));
                 strcpy(argv[i], "-p");
             }
         } else if (strcmp(argv[i], "-n") == 0) {