diff --git a/config/src/main/java/com/alibaba/nacos/config/server/controller/ConfigController.java b/config/src/main/java/com/alibaba/nacos/config/server/controller/ConfigController.java
index f956d0407..8c11ac932 100644
--- a/config/src/main/java/com/alibaba/nacos/config/server/controller/ConfigController.java
+++ b/config/src/main/java/com/alibaba/nacos/config/server/controller/ConfigController.java
@@ -135,6 +135,8 @@ public class ConfigController {
 			throws NacosException {
 		final String srcIp = RequestUtil.getRemoteIp(request);
 		String requestIpApp = RequestUtil.getAppName(request);
+        // check tenant
+        ParamUtils.checkTenant(tenant);
 		ParamUtils.checkParam(dataId, group, "datumId", content);
 		ParamUtils.checkParam(tag);
 
@@ -213,7 +215,9 @@ public class ConfigController {
 			@RequestParam(value = "tenant", required = false, defaultValue = StringUtils.EMPTY) String tenant,
 			@RequestParam(value = "tag", required = false) String tag)
 			throws IOException, ServletException, NacosException {
-		tenant = processTenant(tenant);
+        // check tenant
+        ParamUtils.checkTenant(tenant);
+	    tenant = processTenant(tenant);
 		// check params
 		ParamUtils.checkParam(dataId, group, "datumId", "content");
 		ParamUtils.checkParam(tag);
@@ -234,7 +238,9 @@ public class ConfigController {
 			@RequestParam("group") String group,
 			@RequestParam(value = "tenant", required = false, defaultValue = StringUtils.EMPTY) String tenant)
 			throws NacosException {
-		// check params
+        // check tenant
+        ParamUtils.checkTenant(tenant);
+        // check params
 		ParamUtils.checkParam(dataId, group, "datumId", "content");
 		return persistService.findConfigAllInfo(dataId, group, tenant);
 	}
@@ -253,7 +259,9 @@ public class ConfigController {
 			@RequestParam(value = "tenant", required = false, defaultValue = StringUtils.EMPTY) String tenant,
 			@RequestParam(value = "tag", required = false) String tag)
 			throws NacosException {
-		ParamUtils.checkParam(dataId, group, "datumId", "rm");
+        // check tenant
+        ParamUtils.checkTenant(tenant);
+	    ParamUtils.checkParam(dataId, group, "datumId", "rm");
 		ParamUtils.checkParam(tag);
 		String clientIp = RequestUtil.getRemoteIp(request);
 		if (StringUtils.isBlank(tag)) {
diff --git a/config/src/main/java/com/alibaba/nacos/config/server/utils/ParamUtils.java b/config/src/main/java/com/alibaba/nacos/config/server/utils/ParamUtils.java
index 5fd03be78..e65b835f9 100644
--- a/config/src/main/java/com/alibaba/nacos/config/server/utils/ParamUtils.java
+++ b/config/src/main/java/com/alibaba/nacos/config/server/utils/ParamUtils.java
@@ -16,9 +16,7 @@
 package com.alibaba.nacos.config.server.utils;
 
 import java.util.Map;
-
 import com.alibaba.nacos.api.exception.NacosException;
-
 import org.apache.commons.lang3.StringUtils;
 
 /**
@@ -64,11 +62,11 @@ public class ParamUtils {
     }
 
     public static void checkParam(String dataId, String group, String datumId, String content) throws NacosException {
-        if (StringUtils.isBlank(dataId) || !ParamUtils.isValid(dataId.trim())) {
+        if (StringUtils.isBlank(dataId) || !isValid(dataId.trim())) {
             throw new NacosException(NacosException.INVALID_PARAM, "invalid dataId : " + dataId);
-        } else if (StringUtils.isBlank(group) || !ParamUtils.isValid(group)) {
+        } else if (StringUtils.isBlank(group) || !isValid(group)) {
             throw new NacosException(NacosException.INVALID_PARAM, "invalid group : " + group);
-        } else if (StringUtils.isBlank(datumId) || !ParamUtils.isValid(datumId)) {
+        } else if (StringUtils.isBlank(datumId) || !isValid(datumId)) {
             throw new NacosException(NacosException.INVALID_PARAM, "invalid datumId : " + datumId);
         } else if (StringUtils.isBlank(content)) {
             throw new NacosException(NacosException.INVALID_PARAM, "content is blank : " + content);
@@ -80,7 +78,7 @@ public class ParamUtils {
 
     public static void checkParam(String tag) {
         if (StringUtils.isNotBlank(tag)) {
-            if (!ParamUtils.isValid(tag.trim())) {
+            if (!isValid(tag.trim())) {
                 throw new IllegalArgumentException("invalid tag : " + tag);
             }
             if (tag.length() > TAG_MAX_LEN) {
@@ -91,7 +89,7 @@ public class ParamUtils {
 
     public static void checkTenant(String tenant) {
         if (StringUtils.isNotBlank(tenant)) {
-            if (!ParamUtils.isValid(tenant.trim())) {
+            if (!isValid(tenant.trim())) {
                 throw new IllegalArgumentException("invalid tenant");
             }
             if (tenant.length() > TANANT_MAX_LEN) {