diff --git a/src/main/java/cn/com/tenlion/systemoa/service/mail/impl/MailServiceImpl.java b/src/main/java/cn/com/tenlion/systemoa/service/mail/impl/MailServiceImpl.java
index 058da88..5b73cdf 100644
--- a/src/main/java/cn/com/tenlion/systemoa/service/mail/impl/MailServiceImpl.java
+++ b/src/main/java/cn/com/tenlion/systemoa/service/mail/impl/MailServiceImpl.java
@@ -684,38 +684,41 @@ public class MailServiceImpl extends DefaultBaseService implements IMailService
         saveParam.put("recipientNames", recipientNames);
 
         // 处理抄送人
-        saveParam.put("copyForIds", vo.getCopyForIds());
-        String[] copyForArray = vo.getCopyForIds().split(",");
-        String copyForNames = "";
-        for(String s : copyForArray){
-            UserDTO userDTO = userService.get(s);
-            if(userDTO == null){
-                continue;
-            }
-            if("".equals(copyForNames)){
-                copyForNames += userDTO.getUserUsername() + "[" + userDTO.getUserName() + "]";
-            } else {
-                copyForNames += "," + userDTO.getUserUsername() + "[" + userDTO.getUserName() + "]";
+        if(vo.getCopyForIds() != null && !"".equals(vo.getCopyForIds())){
+            saveParam.put("copyForIds", vo.getCopyForIds());
+            String[] copyForArray = vo.getCopyForIds().split(",");
+            String copyForNames = "";
+            for(String s : copyForArray){
+                UserDTO userDTO = userService.get(s);
+                if(userDTO == null){
+                    continue;
+                }
+                if("".equals(copyForNames)){
+                    copyForNames += userDTO.getUserUsername() + "[" + userDTO.getUserName() + "]";
+                } else {
+                    copyForNames += "," + userDTO.getUserUsername() + "[" + userDTO.getUserName() + "]";
+                }
             }
+            saveParam.put("copyForNames", copyForNames);
         }
-        saveParam.put("copyForNames", copyForNames);
-
         // 处理密送
-        saveParam.put("secretIds", vo.getSecretIds());
-        String[] secretArray = vo.getSecretIds().split(",");
-        String secretNames = "";
-        for(String s : secretArray){
-            UserDTO userDTO = userService.get(s);
-            if(userDTO == null){
-                continue;
-            }
-            if("".equals(secretNames)){
-                secretNames += userDTO.getUserUsername() + "[" + userDTO.getUserName() + "]";
-            } else {
-                secretNames += "," + userDTO.getUserUsername() + "[" + userDTO.getUserName() + "]";
+        if(vo.getSecretIds() != null && !"".equals(vo.getSecretIds())){
+            saveParam.put("secretIds", vo.getSecretIds());
+            String[] secretArray = vo.getSecretIds().split(",");
+            String secretNames = "";
+            for(String s : secretArray){
+                UserDTO userDTO = userService.get(s);
+                if(userDTO == null){
+                    continue;
+                }
+                if("".equals(secretNames)){
+                    secretNames += userDTO.getUserUsername() + "[" + userDTO.getUserName() + "]";
+                } else {
+                    secretNames += "," + userDTO.getUserUsername() + "[" + userDTO.getUserName() + "]";
+                }
             }
+            saveParam.put("secretNames", secretNames);
         }
-        saveParam.put("secretNames", secretNames);
         // 邮件内容
         String uuid = UUIDUtil.getUUID();
         saveParam.put("mailId", uuid);