diff --git a/common/src/main/java/com/jeesite/common/io/IOUtils.java b/common/src/main/java/com/jeesite/common/io/IOUtils.java
index 5c865e1e..95596ce3 100644
--- a/common/src/main/java/com/jeesite/common/io/IOUtils.java
+++ b/common/src/main/java/com/jeesite/common/io/IOUtils.java
@@ -103,5 +103,9 @@ public class IOUtils extends org.apache.commons.io.IOUtils {
             // ignore
         }
     }
-	
+
+	@Deprecated
+	public IOUtils() {
+		// empty
+	}
 }
\ No newline at end of file
diff --git a/common/src/main/java/com/jeesite/common/lang/NumberUtils.java b/common/src/main/java/com/jeesite/common/lang/NumberUtils.java
index 0940ff34..e47caf19 100644
--- a/common/src/main/java/com/jeesite/common/lang/NumberUtils.java
+++ b/common/src/main/java/com/jeesite/common/lang/NumberUtils.java
@@ -119,5 +119,9 @@ public class NumberUtils extends org.apache.commons.lang3.math.NumberUtils {
 		}
 		return df.format(data);
 	}
-	
+
+	@Deprecated
+	public NumberUtils() {
+		// empty
+	}
 }
diff --git a/common/src/main/java/com/jeesite/common/lang/ObjectUtils.java b/common/src/main/java/com/jeesite/common/lang/ObjectUtils.java
index 6b3f4541..eb747837 100644
--- a/common/src/main/java/com/jeesite/common/lang/ObjectUtils.java
+++ b/common/src/main/java/com/jeesite/common/lang/ObjectUtils.java
@@ -363,5 +363,9 @@ public class ObjectUtils extends org.apache.commons.lang3.ObjectUtils {
 //			inputPool.free(input);
 //		}
 //	}
-	
+
+	@Deprecated
+	public ObjectUtils() {
+		// empty
+	}
 }
diff --git a/common/src/main/java/com/jeesite/common/lang/StringUtils.java b/common/src/main/java/com/jeesite/common/lang/StringUtils.java
index 6fec8b50..2140ede7 100644
--- a/common/src/main/java/com/jeesite/common/lang/StringUtils.java
+++ b/common/src/main/java/com/jeesite/common/lang/StringUtils.java
@@ -415,5 +415,9 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils {
 			return name;
 		}
 	}
-	
+
+	@Deprecated
+	public StringUtils() {
+		// empty
+	}
 }
diff --git a/common/src/main/java/com/jeesite/common/utils/IdcardUtils.java b/common/src/main/java/com/jeesite/common/utils/IdcardUtils.java
index a44b0ab1..4a723a01 100644
--- a/common/src/main/java/com/jeesite/common/utils/IdcardUtils.java
+++ b/common/src/main/java/com/jeesite/common/utils/IdcardUtils.java
@@ -1,7 +1,5 @@
 package com.jeesite.common.utils;
 
-import org.apache.commons.lang3.StringUtils;
-
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Calendar;
@@ -11,11 +9,10 @@ import java.util.Map;
 
 /**
  * 身份证工具类
- * 
  * @author June
- * @version 1.0, 2010-06-17
+ * @version 2010-06-17
  */
-public class IdcardUtils extends StringUtils {
+public class IdcardUtils {
 
 	/** 中国公民身份证号码最小长度。 */
 	public static final int CHINA_ID_MIN_LENGTH = 15;