diff --git a/austin-service-api-impl/src/main/java/com/java3y/austin/service/api/impl/action/AfterParamCheckAction.java b/austin-service-api-impl/src/main/java/com/java3y/austin/service/api/impl/action/AfterParamCheckAction.java
index 2bdffa1..f86ea5e 100644
--- a/austin-service-api-impl/src/main/java/com/java3y/austin/service/api/impl/action/AfterParamCheckAction.java
+++ b/austin-service-api-impl/src/main/java/com/java3y/austin/service/api/impl/action/AfterParamCheckAction.java
@@ -30,7 +30,7 @@ import java.util.stream.Collectors;
 public class AfterParamCheckAction implements BusinessProcess<SendTaskModel> {
 
     public static final String PHONE_REGEX_EXP = "^((13[0-9])|(14[5,7,9])|(15[0-3,5-9])|(166)|(17[0-9])|(18[0-9])|(19[1,8,9]))\\d{8}$";
-    public static final String EMAIL_REGEX_EXP = "^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\\\.[A-Z]{2,6}$";
+    public static final String EMAIL_REGEX_EXP = "^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}$";
 
     public static final HashMap<Integer, String> CHANNEL_REGEX_EXP = new HashMap<>();
     static {