diff --git a/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/constant/ExceptionConstant.java b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/constant/ExceptionConstant.java
index 6ed4c3e9..ef2ba6f9 100644
--- a/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/constant/ExceptionConstant.java
+++ b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/constant/ExceptionConstant.java
@@ -41,6 +41,8 @@ public enum ExceptionConstant {
 	PARAMS_NOT_NULL(10, "参数[{}]不能为空"),
 	PARAMS_NOT_EMPTY(11, "参数[{}]不能为空"),
 
+	FILED_LENGTH_OUT(12 ,"{}不能超出长度{}"),
+
 	// 用户管理(11000)
 	// license管理(12000)
 	LICENSE_NAME_CANNOT_REPEAT(12000, "license名称不能重复"),
diff --git a/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/util/ParamCheckUtil.java b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/util/ParamCheckUtil.java
index c921d34e..f57b7677 100644
--- a/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/util/ParamCheckUtil.java
+++ b/neutrino-proxy-server/src/main/java/org/dromara/neutrinoproxy/server/util/ParamCheckUtil.java
@@ -9,82 +9,98 @@ import java.util.Map;
 import java.util.Set;
 
 /**
- *
  * @author: aoshiguchen
  * @date: 2022/8/1
  */
 public class ParamCheckUtil {
 
-	public static void checkNotNull(Object obj, String name) {
-		if (null == obj) {
-			throw ServiceException.create(ExceptionConstant.PARAMS_NOT_NULL, name);
-		}
-	}
+    public static void checkNotNull(Object obj, String name) {
+        if (null == obj) {
+            throw ServiceException.create(ExceptionConstant.PARAMS_NOT_NULL, name);
+        }
+    }
 
-	public static void checkNotEmpty(String str, String name) {
-		if (StrUtil.isEmpty(str)) {
-			throw ServiceException.create(ExceptionConstant.PARAMS_NOT_EMPTY, name);
-		}
-	}
+    public static void checkNotEmpty(String str, String name) {
+        if (StrUtil.isEmpty(str)) {
+            throw ServiceException.create(ExceptionConstant.PARAMS_NOT_EMPTY, name);
+        }
+    }
 
-	public static void checkNotEmpty(Collection collection, String name) {
-		if (null == collection || collection.isEmpty()) {
-			throw ServiceException.create(ExceptionConstant.PARAMS_NOT_EMPTY, name);
-		}
-	}
+    public static void checkNotEmpty(Collection collection, String name) {
+        if (null == collection || collection.isEmpty()) {
+            throw ServiceException.create(ExceptionConstant.PARAMS_NOT_EMPTY, name);
+        }
+    }
 
-	public static void checkNotEmpty(Map map, String name) {
-		if (null == map || map.isEmpty()) {
-			throw ServiceException.create(ExceptionConstant.PARAMS_NOT_EMPTY, name);
-		}
-	}
+    public static void checkNotEmpty(Map map, String name) {
+        if (null == map || map.isEmpty()) {
+            throw ServiceException.create(ExceptionConstant.PARAMS_NOT_EMPTY, name);
+        }
+    }
 
-	public static void checkNotEmpty(Set set, String name) {
-		if (null == set || set.isEmpty()) {
-			throw ServiceException.create(ExceptionConstant.PARAMS_NOT_EMPTY, name);
-		}
-	}
+    public static void checkNotEmpty(Set set, String name) {
+        if (null == set || set.isEmpty()) {
+            throw ServiceException.create(ExceptionConstant.PARAMS_NOT_EMPTY, name);
+        }
+    }
 
-	public static void checkMustNull(Object obj, ExceptionConstant constant, Object... params) {
-		if (null != obj) {
-			throw ServiceException.create(constant, params);
-		}
-	}
+    public static void checkMustNull(Object obj, ExceptionConstant constant, Object... params) {
+        if (null != obj) {
+            throw ServiceException.create(constant, params);
+        }
+    }
 
 
-	public static void checkNotNull(Object obj, ExceptionConstant constant, Object... params) {
-		if (null == obj) {
-			throw ServiceException.create(constant, params);
-		}
-	}
+    public static void checkNotNull(Object obj, ExceptionConstant constant, Object... params) {
+        if (null == obj) {
+            throw ServiceException.create(constant, params);
+        }
+    }
 
-	public static void checkNotEmpty(String str, ExceptionConstant constant, Object... params) {
-		if (StrUtil.isEmpty(str)) {
-			throw ServiceException.create(constant, params);
-		}
-	}
+    public static void checkNotEmpty(String str, ExceptionConstant constant, Object... params) {
+        if (StrUtil.isEmpty(str)) {
+            throw ServiceException.create(constant, params);
+        }
+    }
 
-	public static void checkNotEmpty(Collection collection, ExceptionConstant constant, Object... params) {
-		if (null == collection || collection.isEmpty()) {
-			throw ServiceException.create(constant, params);
-		}
-	}
+    public static void checkNotEmpty(Collection collection, ExceptionConstant constant, Object... params) {
+        if (null == collection || collection.isEmpty()) {
+            throw ServiceException.create(constant, params);
+        }
+    }
 
-	public static void checkNotEmpty(Map map, ExceptionConstant constant, Object... params) {
-		if (null == map || map.isEmpty()) {
-			throw ServiceException.create(constant, params);
-		}
-	}
+    public static void checkNotEmpty(Map map, ExceptionConstant constant, Object... params) {
+        if (null == map || map.isEmpty()) {
+            throw ServiceException.create(constant, params);
+        }
+    }
 
-	public static void checkNotEmpty(Set set, ExceptionConstant constant, Object... params) {
-		if (null == set || set.isEmpty()) {
-			throw ServiceException.create(constant, params);
-		}
-	}
+    public static void checkNotEmpty(Set set, ExceptionConstant constant, Object... params) {
+        if (null == set || set.isEmpty()) {
+            throw ServiceException.create(constant, params);
+        }
+    }
+
+    public static void checkExpression(boolean expression, ExceptionConstant constant, Object... params) {
+        if (!expression) {
+            throw ServiceException.create(constant, params);
+        }
+    }
+
+    /**
+     * check max length , if the string length exceeded ,an exception is thrown
+     * if the string is empty , it's not checked
+     * 检查最大长度,超出长度,则抛出异常 . 如果字符串本身为空,则不进行检查
+     *
+     * @param str       String
+     * @param maxLength Maximum length
+     * @param params Exception parameters
+     * @throws {@link ServiceException}
+     */
+    public static void checkMaxLength(String str, int maxLength, Object... params) {
+        if (!StrUtil.isEmpty(str) && maxLength < str.length()) {
+            throw ServiceException.create(ExceptionConstant.FILED_LENGTH_OUT, params);
+        }
+    }
 
-	public static void checkExpression(boolean expression, ExceptionConstant constant, Object... params) {
-		if (!expression) {
-			throw ServiceException.create(constant, params);
-		}
-	}
 }