diff --git a/src/main/java/com/syjiaer/clinic/server/controller/social/SocialDirectoryController.java b/src/main/java/com/syjiaer/clinic/server/controller/social/SocialDirectoryController.java
index 51d3ff1..ac1aa14 100644
--- a/src/main/java/com/syjiaer/clinic/server/controller/social/SocialDirectoryController.java
+++ b/src/main/java/com/syjiaer/clinic/server/controller/social/SocialDirectoryController.java
@@ -125,6 +125,7 @@ public class SocialDirectoryController extends BaseController {
         int page = (Integer) parms.getOrDefault("page", 1);
         int size = (Integer) parms.getOrDefault("size", 10);
         if (size<=0){
+            //防止 size  小于 0 的情况
             size=Constants.DetailPageSize;
         }
         String keyword = (String) parms.getOrDefault("search_keyword", "");