diff --git a/pom.xml b/pom.xml
index ddf6114..348a035 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.irrigation</groupId>
     <artifactId>common-lib</artifactId>
-    <version>2.0.3</version>
+    <version>2.0.4</version>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
diff --git a/src/main/java/com/irrigation/icl/utils/ObjectUtils.java b/src/main/java/com/irrigation/icl/utils/ObjectUtils.java
index 03e6eee..12c790f 100644
--- a/src/main/java/com/irrigation/icl/utils/ObjectUtils.java
+++ b/src/main/java/com/irrigation/icl/utils/ObjectUtils.java
@@ -3,6 +3,7 @@ package com.irrigation.icl.utils;
 import com.google.common.collect.Lists;
 import com.irrigation.icl.exception.ContextRuntimeException;
 import org.springframework.beans.BeanUtils;
+import org.springframework.util.StringUtils;
 
 import java.util.*;
 
@@ -52,6 +53,17 @@ public class ObjectUtils {
     }
 
     /**
+     * 判断两个对象是否不相等
+     *
+     * @param a
+     * @param b
+     * @return
+     */
+    public static boolean unequal(Object a, Object b) {
+        return (a != null && !a.equals(b)) || (b != null && !b.equals(a));
+    }
+
+    /**
      * 判断集合是否是空
      *
      * @param collection
@@ -96,22 +108,51 @@ public class ObjectUtils {
     /**
      * 判断字符串 是否是 null 或 length=0
      *
-     * @param str
+     * @param cs
      * @return
      */
-    public static boolean stringIsEmpty(String str) {
-        return str == null || str.length() == 0;
+    public static boolean stringIsEmpty(CharSequence cs) {
+        return cs == null || cs.length() == 0;
     }
 
 
     /**
      * 判断字符串 是否不是 null 并且 length!=0
      *
-     * @param str
+     * @param cs
+     * @return
+     */
+    public static boolean stringNonEmpty(CharSequence cs) {
+        return !stringIsEmpty(cs);
+    }
+
+    /**
+     * 判断字符是否是空字符
+     *
+     * @param cs
      * @return
      */
-    public static boolean stringNontEmpty(String str) {
-        return !stringIsEmpty(str);
+    public static boolean stringIsBlank(CharSequence cs) {
+        int strLen;
+        if (cs == null || (strLen = cs.length()) == 0) {
+            return true;
+        }
+        for (int i = 0; i < strLen; i++) {
+            if (!Character.isWhitespace(cs.charAt(i))) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * 判断字符是否是空字符
+     *
+     * @param cs
+     * @return
+     */
+    public static boolean stringNonBlankB(CharSequence cs) {
+        return !stringIsBlank(cs);
     }
 
 
@@ -121,11 +162,10 @@ public class ObjectUtils {
      * @param str
      * @return
      */
-    public static String stringTrim(String str) {
+    public static String stringTrim(final String str) {
         return str == null ? null : str.trim();
     }
 
-
     /**
      * 单个对象复制
      *