diff --git a/cloud-common/src/main/java/com/cm/common/utils/RegexUtil.java b/cloud-common/src/main/java/com/cm/common/utils/RegexUtil.java
index 4bbba71..c26dd2f 100644
--- a/cloud-common/src/main/java/com/cm/common/utils/RegexUtil.java
+++ b/cloud-common/src/main/java/com/cm/common/utils/RegexUtil.java
@@ -51,6 +51,10 @@ public class RegexUtil {
      * 身份证
      */
     private static final Pattern PATTERN_IDENTITY = Pattern.compile("(^\\d{15}$)|(^\\d{17}(x|X|\\d)$)");
+    /**
+     * 用户名
+     */
+    private static final Pattern PATTERN_USERNAME = Pattern.compile("^[a-zA-Z0-9_\\s]+$");
     /**
      * 字母
      */
@@ -166,6 +170,16 @@ public class RegexUtil {
         return PATTERN_IDENTITY.matcher(input).matches();
     }
 
+    /**
+     * 判断用户名
+     *
+     * @param input
+     * @return
+     */
+    public static boolean isUsername(String input) {
+        return PATTERN_USERNAME.matcher(input).matches();
+    }
+
     /**
      * 判断是字母
      *
diff --git a/cloud-common/src/main/java/com/cm/common/utils/annotation/AnnotationUtil.java b/cloud-common/src/main/java/com/cm/common/utils/annotation/AnnotationUtil.java
index fdc668e..123fd7c 100644
--- a/cloud-common/src/main/java/com/cm/common/utils/annotation/AnnotationUtil.java
+++ b/cloud-common/src/main/java/com/cm/common/utils/annotation/AnnotationUtil.java
@@ -136,7 +136,12 @@ public class AnnotationUtil {
         if (StringUtils.isBlank(verifyType)) {
             return;
         }
-        if (StringUtils.equals("phone", verifyType)) {
+        if (StringUtils.equals("username", verifyType)) {
+            if (!RegexUtil.isUsername(value)) {
+                throw new ParamsException(String.format("%s格式只能是字母、数字和下划线", name));
+            }
+            return;
+        } else if (StringUtils.equals("phone", verifyType)) {
             if (!RegexUtil.isPhone(value)) {
                 throw new ParamsException(String.format("%s格式非手机格式", name));
             }