diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/PatientWeightController.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/PatientWeightController.java
index ec6e354..7547c47 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/PatientWeightController.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/PatientWeightController.java
@@ -10,6 +10,7 @@ import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.*;
 
 import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 
 /**
  * 孕产妇体重管理
@@ -155,8 +156,8 @@ public class PatientWeightController extends BaseController {
      */
     @ResponseBody
     @RequestMapping(value = "/last/check", method = RequestMethod.GET)
-    public String patientLastCheck(String pid) {
-        return patientWeightService.lastCheckTime(pid);
+    public void patientLastCheck(String pid,HttpServletResponse response) {
+        writeJson(response,patientWeightService.lastCheckTime(pid));
     }
 
     /**