diff --git a/static/data/team.json b/static/data/team.json
index 5c122b27a..0b9d96f65 100644
--- a/static/data/team.json
+++ b/static/data/team.json
@@ -5,77 +5,77 @@
     "users": [
       {
         "name": "chrisdutz",
-        "avatar": "https://avatars.githubusercontent.com/u/651105",
+        "avatar": "https://avatars.githubusercontent.com/u/651105?s=96&v=4",
         "github": "https://github.com/chrisdutz",
         "role": "Mentor",
         "avatar_local": "/img/team/chrisdutz.jpg"
       },
       {
         "name": "fenbox",
-        "avatar": "https://avatars.githubusercontent.com/u/360618",
+        "avatar": "https://avatars.githubusercontent.com/u/360618?s=96&v=4",
         "github": "https://github.com/fenbox",
         "role": "Developer",
         "avatar_local": "/img/team/fenbox.png"
       },
       {
         "name": "jiangbonadia",
-        "avatar": "https://avatars.githubusercontent.com/u/1227386",
+        "avatar": "https://avatars.githubusercontent.com/u/1227386?s=96&v=4",
         "github": "https://github.com/jiangbonadia",
         "role": "DevRel",
         "avatar_local": "/img/team/jiangbonadia.jpg"
       },
       {
         "name": "joyqi",
-        "avatar": "https://avatars.githubusercontent.com/u/59437",
+        "avatar": "https://avatars.githubusercontent.com/u/59437?s=96&v=4",
         "github": "https://github.com/joyqi",
         "role": "Developer",
         "avatar_local": "/img/team/joyqi.png"
       },
       {
         "name": "justinmclean",
-        "avatar": "https://avatars.githubusercontent.com/u/144504",
+        "avatar": "https://avatars.githubusercontent.com/u/144504?s=96&v=4",
         "github": "https://github.com/justinmclean",
         "role": "Mentor",
         "avatar_local": "/img/team/justinmclean.jpg"
       },
       {
         "name": "kumfo",
-        "avatar": "https://avatars.githubusercontent.com/u/7692591",
+        "avatar": "https://avatars.githubusercontent.com/u/7692591?s=96&v=4",
         "github": "https://github.com/kumfo",
         "role": "Developer",
         "avatar_local": "/img/team/kumfo.jpg"
       },
       {
         "name": "LinkinStars",
-        "avatar": "https://avatars.githubusercontent.com/u/19712692",
+        "avatar": "https://avatars.githubusercontent.com/u/19712692?s=96&v=4",
         "github": "https://github.com/LinkinStars",
         "role": "Developer",
         "avatar_local": "/img/team/LinkinStars.jpg"
       },
       {
         "name": "mingcheng",
-        "avatar": "https://avatars.githubusercontent.com/u/21816",
+        "avatar": "https://avatars.githubusercontent.com/u/21816?s=96&v=4",
         "github": "https://github.com/mingcheng",
         "role": "Developer",
         "avatar_local": "/img/team/mingcheng.jpg"
       },
       {
         "name": "PrimmaAnna",
-        "avatar": "https://avatars.githubusercontent.com/u/131739771",
+        "avatar": "https://avatars.githubusercontent.com/u/131739771?s=96&v=4",
         "github": "https://github.com/PrimmaAnna",
         "role": "DevRel",
         "avatar_local": "/img/team/PrimmaAnna.png"
       },
       {
         "name": "robinv8",
-        "avatar": "https://avatars.githubusercontent.com/u/12277531",
+        "avatar": "https://avatars.githubusercontent.com/u/12277531?s=96&v=4",
         "github": "https://github.com/robinv8",
         "role": "Developer",
         "avatar_local": "/img/team/robinv8.jpg"
       },
       {
         "name": "shuashuai",
-        "avatar": "https://avatars.githubusercontent.com/u/30591202",
+        "avatar": "https://avatars.githubusercontent.com/u/30591202?s=96&v=4",
         "github": "https://github.com/shuashuai",
         "role": "Developer",
         "avatar_local": "/img/team/shuashuai.jpg"
@@ -83,20 +83,20 @@
       {
         "name": "sy-records",
         "github": "https://github.com/sy-records",
-        "avatar": "https://avatars.githubusercontent.com/u/33931153?v=4",
+        "avatar": "https://avatars.githubusercontent.com/u/33931153?s=96&v=4",
         "role": "Developer",
         "avatar_local": "/img/team/sy-records.jpg"
       },
       {
         "name": "tisonkun",
-        "avatar": "https://avatars.githubusercontent.com/u/18818196",
+        "avatar": "https://avatars.githubusercontent.com/u/18818196?s=96&v=4",
         "github": "https://github.com/tisonkun",
         "role": "Mentor",
         "avatar_local": "/img/team/tisonkun.jpg"
       },
       {
         "name": "WillemJiang",
-        "avatar": "https://avatars.githubusercontent.com/u/219644",
+        "avatar": "https://avatars.githubusercontent.com/u/219644?s=96&v=4",
         "github": "https://github.com/WillemJiang",
         "role": "Mentor",
         "avatar_local": "/img/team/WillemJiang.jpg"
@@ -109,21 +109,21 @@
     "users": [
       {
         "name": "aichy126",
-        "avatar": "https://avatars.githubusercontent.com/u/16996097",
+        "avatar": "https://avatars.githubusercontent.com/u/16996097?s=96&v=4",
         "github": "https://github.com/aichy126",
         "role": "Developer",
         "avatar_local": "/img/team/aichy126.jpg"
       },
       {
         "name": "haitaojarvis",
-        "avatar": "https://avatars.githubusercontent.com/u/344142",
+        "avatar": "https://avatars.githubusercontent.com/u/344142?s=96&v=4",
         "github": "https://github.com/haitaojarvis",
         "role": "Developer",
         "avatar_local": "/img/team/haitaojarvis.jpg"
       },
       {
         "name": "hgaol",
-        "avatar": "https://avatars.githubusercontent.com/u/11908658?v=4",
+        "avatar": "https://avatars.githubusercontent.com/u/11908658?s=96&v=4",
         "github": "https://github.com/hgaol",
         "role": "Developer",
         "avatar_local": "/img/team/hgaol.jpg"
@@ -131,7 +131,7 @@
       {
         "name": "zahash",
         "github": "https://github.com/zahash",
-        "avatar": "https://avatars.githubusercontent.com/u/36153955?v=4",
+        "avatar": "https://avatars.githubusercontent.com/u/36153955?s=96&v=4",
         "role": "Developer",
         "avatar_local": "/img/team/zahash.png"
       }
diff --git a/static/img/team/LinkinStars.jpg b/static/img/team/LinkinStars.jpg
index bb22126ec..6de747fdd 100644
Binary files a/static/img/team/LinkinStars.jpg and b/static/img/team/LinkinStars.jpg differ
diff --git a/static/img/team/PrimmaAnna.png b/static/img/team/PrimmaAnna.png
index 9c5b35bad..698952d38 100644
Binary files a/static/img/team/PrimmaAnna.png and b/static/img/team/PrimmaAnna.png differ
diff --git a/static/img/team/WillemJiang.jpg b/static/img/team/WillemJiang.jpg
index 230b1c9d4..7f7cb0727 100644
Binary files a/static/img/team/WillemJiang.jpg and b/static/img/team/WillemJiang.jpg differ
diff --git a/static/img/team/aichy126.jpg b/static/img/team/aichy126.jpg
index 77a4379e0..c718d659f 100644
Binary files a/static/img/team/aichy126.jpg and b/static/img/team/aichy126.jpg differ
diff --git a/static/img/team/chrisdutz.jpg b/static/img/team/chrisdutz.jpg
index f5f593f79..cb1d2f520 100644
Binary files a/static/img/team/chrisdutz.jpg and b/static/img/team/chrisdutz.jpg differ
diff --git a/static/img/team/fenbox.png b/static/img/team/fenbox.png
index 08fcb7433..153fece14 100644
Binary files a/static/img/team/fenbox.png and b/static/img/team/fenbox.png differ
diff --git a/static/img/team/haitaojarvis.jpg b/static/img/team/haitaojarvis.jpg
index e5ec7f03c..2b9e69966 100644
Binary files a/static/img/team/haitaojarvis.jpg and b/static/img/team/haitaojarvis.jpg differ
diff --git a/static/img/team/hgaol.jpg b/static/img/team/hgaol.jpg
index 13414ce89..32c375b75 100644
Binary files a/static/img/team/hgaol.jpg and b/static/img/team/hgaol.jpg differ
diff --git a/static/img/team/jiangbonadia.jpg b/static/img/team/jiangbonadia.jpg
index ec930cdb4..f90bb617d 100644
Binary files a/static/img/team/jiangbonadia.jpg and b/static/img/team/jiangbonadia.jpg differ
diff --git a/static/img/team/joyqi.png b/static/img/team/joyqi.png
index 5b82a80eb..4b4ae0afb 100644
Binary files a/static/img/team/joyqi.png and b/static/img/team/joyqi.png differ
diff --git a/static/img/team/justinmclean.jpg b/static/img/team/justinmclean.jpg
index a7e3234d9..7cdde0da2 100644
Binary files a/static/img/team/justinmclean.jpg and b/static/img/team/justinmclean.jpg differ
diff --git a/static/img/team/kumfo.jpg b/static/img/team/kumfo.jpg
index 87d36499c..d4d9c5931 100644
Binary files a/static/img/team/kumfo.jpg and b/static/img/team/kumfo.jpg differ
diff --git a/static/img/team/mingcheng.jpg b/static/img/team/mingcheng.jpg
index ceb2d56d6..7e9094d53 100644
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diff --git a/static/img/team/mingcheng.png b/static/img/team/mingcheng.png
deleted file mode 100644
index c16b1d1bd..000000000
Binary files a/static/img/team/mingcheng.png and /dev/null differ
diff --git a/static/img/team/robinv8.jpg b/static/img/team/robinv8.jpg
index 615d17979..1523877a8 100644
Binary files a/static/img/team/robinv8.jpg and b/static/img/team/robinv8.jpg differ
diff --git a/static/img/team/shuashuai.jpg b/static/img/team/shuashuai.jpg
index 2d15bf0d5..980d74d24 100644
Binary files a/static/img/team/shuashuai.jpg and b/static/img/team/shuashuai.jpg differ
diff --git a/static/img/team/sy-records.jpg b/static/img/team/sy-records.jpg
index 295b94b07..e9d8ab576 100644
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diff --git a/static/img/team/tisonkun.jpg b/static/img/team/tisonkun.jpg
index 36b1f71a0..03acaa5cb 100644
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diff --git a/static/img/team/zahash.png b/static/img/team/zahash.png
index f8b2d7adb..ce804d365 100644
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