Merge branch 'dev0410' of https://git.oschina.net/songyue123456/comm-ques-bank into dev0410

cqb-paper/src/main/java/com/qmth/cqb/paper/web/PaperDetailUnitController.java

@@ -5,7 +5,6 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.PutMapping;
@@ -64,7 +63,7 @@ public class PaperDetailUnitController {
     @PutMapping(value = "/paperDetailUnit")
     public ResponseEntity updatePaperDetailUnit(@RequestBody PaperDetailUnitExp pdu) {
         PaperDetailUnit pdUnit = unitService.savePaperDetailUnit(pdu);
-        return new ResponseEntity(pdUnit, HttpStatus.OK);
+        return new ResponseEntity(HttpStatus.OK);
 
     }