diff --git a/src/main/java/com/dsideal/QingLong/DataShare/Model/DataShareModel.java b/src/main/java/com/dsideal/QingLong/DataShare/Model/DataShareModel.java
index df5ce0e9..cda0122b 100644
--- a/src/main/java/com/dsideal/QingLong/DataShare/Model/DataShareModel.java
+++ b/src/main/java/com/dsideal/QingLong/DataShare/Model/DataShareModel.java
@@ -119,16 +119,16 @@ public class DataShareModel {
         if (StrKit.isBlank(subscribe_system_ids)) {
             //这个系统已经订阅了哪些系统的哪些表
             String sql = "select subscribe_system_ids from t_datashare_system where system_id=?";
-            subscribe_system_ids = Db.queryStr(sql, system_id);
+            String exist_subscribe_system_ids = Db.queryStr(sql, system_id);
             //对于这些表都需要回收此用户的读权限
-            for (String s : subscribe_system_ids.split(",")) {
+            for (String s : exist_subscribe_system_ids.split(",")) {
                 List<Record> list = getShareTable(Integer.parseInt(s));
                 for (Record r : list) {
                     PgUtil.revokeUserPrivilege(user_name, r.getStr("table_name"), PgUtil.READ);
                 }
             }
-            sql = "update t_datashare_system set subscribe_system_ids=? where system_id=?";
-            Db.update(sql, subscribe_system_ids, system_id);
+            sql = "update t_datashare_system set subscribe_system_ids=null where system_id=?";
+            Db.update(sql, system_id);
             return;
         }
         //如果是修改为新的订阅系统
diff --git a/src/main/resource/Sql/DataShare.sql b/src/main/resource/Sql/DataShare.sql
index a2be3892..0372640c 100644
--- a/src/main/resource/Sql/DataShare.sql
+++ b/src/main/resource/Sql/DataShare.sql
@@ -1,6 +1,9 @@
 #namespace("DataShare")
     #sql("listSystem")
-        select t1.*  from t_datashare_system as t1 where
+        select t1.*,
+            (select count(1) from t_datashare_table as t2 where t2.system_id=t1.system_id) as share_table_count,
+            array_length(string_to_array(t1.url, ','), 1) as subscribe_system_count
+            from t_datashare_system as t1 where
             t1.system_name like #para(keyword, "like")
             #if(exclude)
               and t1.system_id<>#para(exclude)