diff --git a/src/main/java/com/gunshi/project/xyt/controller/OsmoticWaterRController.java b/src/main/java/com/gunshi/project/xyt/controller/OsmoticWaterRController.java
index 1c7af7d..86b3d29 100644
--- a/src/main/java/com/gunshi/project/xyt/controller/OsmoticWaterRController.java
+++ b/src/main/java/com/gunshi/project/xyt/controller/OsmoticWaterRController.java
@@ -71,6 +71,15 @@ public class OsmoticWaterRController {
         return R.ok(service.removeById(id));
     }
 
+    @Operation(summary = "获取最新一条数据")
+    @PostMapping("/getLastData")
+    public R<OsmoticWaterR> getLastData() {
+        QueryWrapper qw = new QueryWrapper<>();
+        qw.orderBy(true, false, "tm");
+        OsmoticWaterR result = service.getOne(qw);
+        return R.ok(result);
+    }
+
     @Operation(summary = "列表")
     @PostMapping("/list")
     public R<List<OsmoticWaterR>> list(@RequestBody @Validated OsmoticWaterR osmoticWaterR) {