fix: 获取药品列表空的情况返回[]

hnqz-upms/hnqz-upms-biz/src/main/java/com/qunzhixinxi/hnqz/admin/controller/WmDaDrugEntDrugtableController.java

@@ -42,6 +42,7 @@ import org.springframework.web.bind.annotation.*;
 
 import java.time.LocalDateTime;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -244,7 +245,7 @@ public class WmDaDrugEntDrugtableController {
 			return R.ok(drugEntDrugtables.stream().map(WmDaDrugEntDrugtable::getDrugname).collect(Collectors.toList()));
 		}
 
-		return R.ok();
+		return R.ok(Collections.emptyList());
 	}
 
 	/**