diff --git a/message-center-api/src/main/java/com/yxt/messagecenter/api/message/MessageFeign.java b/message-center-api/src/main/java/com/yxt/messagecenter/api/message/MessageFeign.java
index 840959a..f45fc92 100644
--- a/message-center-api/src/main/java/com/yxt/messagecenter/api/message/MessageFeign.java
+++ b/message-center-api/src/main/java/com/yxt/messagecenter/api/message/MessageFeign.java
@@ -11,6 +11,8 @@ import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 
+import java.util.List;
+
 /**
  * Project: message-center(消息中心) <br/>
  * File: MessageFeign.java <br/>
@@ -92,4 +94,7 @@ public interface MessageFeign {
     @PostMapping("/pushMessageShare")
     ResultBean<String> pushMessageShare(@RequestBody MessageFlowableQueryForCC query);
 
+    @ApiOperation("获取一条记录")
+    @GetMapping("/selectByBusinessSid/{sid}")
+    ResultBean<List<Message>> selectByBusinessSid(@PathVariable("sid") String sid);
 }
\ No newline at end of file
diff --git a/message-center-api/src/main/java/com/yxt/messagecenter/api/message/MessageFeignFallback.java b/message-center-api/src/main/java/com/yxt/messagecenter/api/message/MessageFeignFallback.java
index 3436a6a..ff5871a 100644
--- a/message-center-api/src/main/java/com/yxt/messagecenter/api/message/MessageFeignFallback.java
+++ b/message-center-api/src/main/java/com/yxt/messagecenter/api/message/MessageFeignFallback.java
@@ -5,6 +5,8 @@ import com.yxt.common.core.result.ResultBean;
 import com.yxt.common.core.vo.PagerVo;
 import org.springframework.stereotype.Component;
 
+import java.util.List;
+
 /**
  * Project: message-center(消息中心) <br/>
  * File: MessageFeignFallback.java <br/>
@@ -93,4 +95,9 @@ public class MessageFeignFallback implements MessageFeign {
     public ResultBean<String> pushMessageShare(MessageFlowableQueryForCC query) {
         return null;
     }
+
+    @Override
+    public ResultBean<List<Message>> selectByBusinessSid(String sid) {
+        return null;
+    }
 }
\ No newline at end of file
diff --git a/message-center-api/src/main/java/com/yxt/messagecenter/api/messagelist/MessageListFeign.java b/message-center-api/src/main/java/com/yxt/messagecenter/api/messagelist/MessageListFeign.java
index 8c337d0..885c1de 100644
--- a/message-center-api/src/main/java/com/yxt/messagecenter/api/messagelist/MessageListFeign.java
+++ b/message-center-api/src/main/java/com/yxt/messagecenter/api/messagelist/MessageListFeign.java
@@ -121,4 +121,8 @@ public interface MessageListFeign {
     @ApiOperation(value = "业务系统查询待阅任务列表数量")
     @GetMapping("/getTodoNum/{userSid}")
     ResultBean<Integer> getTodoNum(@PathVariable(value = "userSid")String userSid);
+
+    @ApiOperation("根据主表sid获取数据")
+    @GetMapping("/fetchByMainSid/{sid}")
+    ResultBean<List<MessageList>> fetchByMainSid(@PathVariable("sid") String sid);
 }
\ No newline at end of file
diff --git a/message-center-api/src/main/java/com/yxt/messagecenter/api/messagelist/MessageListFeignFallback.java b/message-center-api/src/main/java/com/yxt/messagecenter/api/messagelist/MessageListFeignFallback.java
index cf4fcd6..a5c5d4c 100644
--- a/message-center-api/src/main/java/com/yxt/messagecenter/api/messagelist/MessageListFeignFallback.java
+++ b/message-center-api/src/main/java/com/yxt/messagecenter/api/messagelist/MessageListFeignFallback.java
@@ -130,4 +130,9 @@ public class MessageListFeignFallback implements MessageListFeign {
     public ResultBean<Integer> getTodoNum(String userSid) {
         return null;
     }
+
+    @Override
+    public ResultBean<List<MessageList>> fetchByMainSid(String sid) {
+        return null;
+    }
 }
\ No newline at end of file
diff --git a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageMapper.java b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageMapper.java
index 8c997d6..08b4acf 100644
--- a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageMapper.java
+++ b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageMapper.java
@@ -37,4 +37,7 @@ public interface MessageMapper extends BaseMapper<Message> {
 	
 	@Select("select * from message")
 	List<MessageVo> selectListVo();
+
+	@Select("select * from message where businessSid = #{sid} and msgSource = '抄送'")
+	List<Message> selectByBusinessSid(@Param("sid") String sid);
 }
\ No newline at end of file
diff --git a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageRest.java b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageRest.java
index 763457f..171730c 100644
--- a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageRest.java
+++ b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageRest.java
@@ -13,6 +13,8 @@ import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.List;
+
 /**
  * Project: message-center(消息中心) <br/>
  * File: MessageFeignFallback.java <br/>
@@ -150,4 +152,9 @@ public class MessageRest implements MessageFeign {
     public ResultBean<String> pushMessageShare(MessageFlowableQueryForCC query) {
         return messageService.pushMessageShare(query);
     }
+
+    @Override
+    public ResultBean<List<Message>> selectByBusinessSid(String sid) {
+        return messageService.selectByBusinessSid(sid);
+    }
 }
diff --git a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageService.java b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageService.java
index d18e104..b489ed7 100644
--- a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageService.java
+++ b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/message/MessageService.java
@@ -1062,4 +1062,9 @@ public class MessageService extends MybatisBaseService<MessageMapper, Message> {
         return rb.success().setData(msgSid);
     }
 
+    public ResultBean<List<Message>> selectByBusinessSid(String sid) {
+        ResultBean rb = ResultBean.fireFail();
+        List<Message> messages = baseMapper.selectByBusinessSid(sid);
+        return rb.success().setData(messages);
+    }
 }
\ No newline at end of file
diff --git a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListMapper.java b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListMapper.java
index 071f940..2e8d62c 100644
--- a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListMapper.java
+++ b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListMapper.java
@@ -94,4 +94,7 @@ public interface MessageListMapper extends BaseMapper<MessageList> {
     IPage<MessageReadListPCVo> todoAllReadList(IPage<MessageReadListQuery> iPage,@Param(Constants.WRAPPER) QueryWrapper<MessageList> qw);
 
     Integer getTodoNum(String userSid);
+
+    @Select("select * from message_list where msgSid = #{sid}")
+    List<MessageList> fetchByMainSid(String sid);
 }
\ No newline at end of file
diff --git a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListRest.java b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListRest.java
index f3677d8..c1bc69a 100644
--- a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListRest.java
+++ b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListRest.java
@@ -264,4 +264,9 @@ public class MessageListRest implements MessageListFeign {
         }
         return messageListService.getTodoNum(userSid);
     }
+
+    @Override
+    public ResultBean<List<MessageList>> fetchByMainSid(String sid) {
+        return messageListService.fetchByMainSid(sid);
+    }
 }
diff --git a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListService.java b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListService.java
index ed3de95..8a32ef4 100644
--- a/message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListService.java
+++ b/message-center-biz/src/main/java/com/yxt/messagecenter/biz/messagelist/MessageListService.java
@@ -461,4 +461,10 @@ public class MessageListService extends MybatisBaseService<MessageListMapper, Me
         Integer todoNum = baseMapper.getTodoNum(userSid);
         return rb.success().setData(todoNum);
     }
+
+    public ResultBean<List<MessageList>> fetchByMainSid(String sid) {
+        ResultBean rb = new ResultBean<>();
+        List<MessageList> messageLists = baseMapper.fetchByMainSid(sid);
+        return rb.success().setData(messageLists);
+    }
 }
\ No newline at end of file