diff --git a/src/data/people.json b/src/data/people.json
index c7b5e49..56d856a 100644
--- a/src/data/people.json
+++ b/src/data/people.json
@@ -136,6 +136,23 @@
                 "class": "mphil",
                 "url": "https://jhluo.com/",
                 "image": "img/people/jiehui.jpg"
+            },
+            {
+                "name": "Ziqi Pan",
+                "position": "PhD Student",
+                "class": "phd",
+                "image": "img/people/panziqi.jpg"
+            },
+            {
+                "name": "Zuyu Xu",
+                "position": "PhD Student",
+                "class": "phd"
+            },
+            {
+                "name": "Yuanhao Zhang",
+                "position": "PhD Student",
+                "class": "phd",
+                "image": "img/people/zhangyuanhao.jpg"
             }
         ]
     },
diff --git a/src/img/people/feng.jpeg b/src/img/people/feng.jpeg
deleted file mode 100644
index 5796670..0000000
Binary files a/src/img/people/feng.jpeg and /dev/null differ
diff --git a/src/img/people/panziqi.jpg b/src/img/people/panziqi.jpg
new file mode 100644
index 0000000..2b45f21
Binary files /dev/null and b/src/img/people/panziqi.jpg differ
diff --git a/src/img/people/zhangyuanhao.jpg b/src/img/people/zhangyuanhao.jpg
new file mode 100644
index 0000000..b640732
Binary files /dev/null and b/src/img/people/zhangyuanhao.jpg differ