diff --git a/docs/en/14-reference/01-components/01-taosd.md b/docs/en/14-reference/01-components/01-taosd.md
index d4ef0b2fc230..306d5a8013b9 100644
--- a/docs/en/14-reference/01-components/01-taosd.md
+++ b/docs/en/14-reference/01-components/01-taosd.md
@@ -188,7 +188,7 @@ The effective value of charset is UTF-8.
 
 | Parameter Name             | Supported Version | Dynamic Modification               | Description                                                  |
 | -------------------------- | ----------------- | ---------------------------------- | ------------------------------------------------------------ |
-| supportVnodes              |                   | Supported, effective immediately   | Maximum number of vnodes supported by a dnode, range 0-4096, default value is twice the number of CPU cores + 5 |
+| supportVnodes              |                   | Supported, effective immediately   | Maximum number of vnodes supported by a dnode, range 0-1024, default value is twice the number of CPU cores + 5 |
 | numOfCommitThreads         |                   | Supported, effective after restart | Maximum number of commit threads, range 1-1024, default value 4 |
 | numOfCompactThreads        |                   | Supported, effective after restart | Maximum number of commit threads, range 1-16, default value 2 |
 | numOfMnodeReadThreads      |                   | Supported, effective after restart | Number of Read threads for mnode, range 0-1024, default value is one quarter of the CPU cores (not exceeding 4) |
diff --git a/docs/zh/14-reference/01-components/01-taosd.md b/docs/zh/14-reference/01-components/01-taosd.md
index 2803e0abc4d6..14651bd7a094 100644
--- a/docs/zh/14-reference/01-components/01-taosd.md
+++ b/docs/zh/14-reference/01-components/01-taosd.md
@@ -747,7 +747,7 @@ charset 的有效值是 UTF-8。
 - 类型：整数
 - 默认值：CPU 核数的 2 倍 + 5
 - 最小值：0
-- 最大值：4096
+- 最大值：1024
 - 动态修改：仅在企业版支持通过 SQL 修改，立即生效。
 - 支持版本：从 v3.1.0.0 版本开始引入
 
diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 61f45f987e82..fb1dffb2530e 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -928,7 +928,7 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
   // clang-format off
   TAOS_CHECK_RETURN(cfgAddDir(pCfg, "dataDir", tsDataDir, CFG_SCOPE_SERVER, CFG_DYN_SERVER, CFG_CATEGORY_LOCAL));
   TAOS_CHECK_RETURN(cfgAddFloat(pCfg, "minimalDataDirGB", 2.0f, 0.001f, 10000000, CFG_SCOPE_SERVER, CFG_DYN_NONE, CFG_CATEGORY_LOCAL));
-  TAOS_CHECK_RETURN(cfgAddInt32(pCfg, "supportVnodes", tsNumOfSupportVnodes, 0, 4096, CFG_SCOPE_SERVER, CFG_DYN_ENT_SERVER, CFG_CATEGORY_LOCAL));
+  TAOS_CHECK_RETURN(cfgAddInt32(pCfg, "supportVnodes", tsNumOfSupportVnodes, 0, 1024, CFG_SCOPE_SERVER, CFG_DYN_ENT_SERVER, CFG_CATEGORY_LOCAL));
 
   TAOS_CHECK_RETURN(cfgAddString(pCfg, "encryptAlgorithm", tsEncryptAlgorithm, CFG_SCOPE_SERVER, CFG_DYN_NONE, CFG_CATEGORY_GLOBAL));
   TAOS_CHECK_RETURN(cfgAddString(pCfg, "encryptScope", tsEncryptScope, CFG_SCOPE_SERVER, CFG_DYN_NONE,CFG_CATEGORY_GLOBAL));
diff --git a/tests/system-test/0-others/show.py b/tests/system-test/0-others/show.py
index e6fa7bf16b41..96b1ffd51fcb 100644
--- a/tests/system-test/0-others/show.py
+++ b/tests/system-test/0-others/show.py
@@ -273,8 +273,8 @@ def test_show_variables(self):
             tdSql.error(f'ALTER LOCAL "{var}" "{error_val}"')
 
         var = 'supportVnodes'
-        expect_val = 1240 ## 1.211111 * 1024
-        sql = f'ALTER DNODE 1 "{var}" "1.211111k"'
+        expect_val = 1024
+        sql = f'ALTER DNODE 1 "{var}" "1024"'
         tdSql.execute(sql, queryTimes=1)
         val = int(self.get_variable(var, False))
         if val != expect_val: