diff --git a/ssjygl-xsx-service/src/main/java/com/cowr/service/ssjygl/synctask/SyncTaskService.java b/ssjygl-xsx-service/src/main/java/com/cowr/service/ssjygl/synctask/SyncTaskService.java
index 4c872a3..cdf03db 100644
--- a/ssjygl-xsx-service/src/main/java/com/cowr/service/ssjygl/synctask/SyncTaskService.java
+++ b/ssjygl-xsx-service/src/main/java/com/cowr/service/ssjygl/synctask/SyncTaskService.java
@@ -590,7 +590,7 @@ public class SyncTaskService {
             // id
             for (Record o : list) {
                 String id = o.getStr("id");
-                Record first = Db.findFirst("select * from " + tablename + " where sn = ?", id);
+                Record first = Db.findFirst("select * from " + tablename + " where id = ?", id);
                 if (o.toJson().equals(first.toJson())) {
                     removeList.add(o);
                 }
@@ -600,7 +600,7 @@ public class SyncTaskService {
             // id
             for (Record o : list) {
                 String id = o.getStr("id");
-                Record first = Db.findFirst("select * from " + tablename + " where sn = ?", id);
+                Record first = Db.findFirst("select * from " + tablename + " where id = ?", id);
                 if (o.toJson().equals(first.toJson())) {
                     removeList.add(o);
                 }
@@ -610,7 +610,7 @@ public class SyncTaskService {
             // id
             for (Record o : list) {
                 String id = o.getStr("id");
-                Record first = Db.findFirst("select * from " + tablename + " where sn = ?", id);
+                Record first = Db.findFirst("select * from " + tablename + " where id = ?", id);
                 if (o.toJson().equals(first.toJson())) {
                     removeList.add(o);
                 }