diff --git a/src/datasets/SLR500.json b/src/datasets/SLR500.json
new file mode 100644
index 0000000..972dcb9
--- /dev/null
+++ b/src/datasets/SLR500.json
@@ -0,0 +1,16 @@
+{
+    "pub": {
+      "name": "SLR500",
+      "year": 2019,
+      "publication": "huang2019attention3DCNNsSLR",
+      "url": "https://ustc-slr.github.io/datasets/2015_csl/"
+    },
+    "#loader": null,
+    "#items": 500,
+    "#samples":"50x5/sign=125,000",
+    "#signers": 50,
+    "features": ["video:RGBD","gloss", "pose:Kinect"],
+    "language": "Chinese",
+    "license": "Research Attribution",
+    "licenseUrl": "https://ustc-slr.github.io/datasets/2015_csl/Release-Agreement-csl2015.pdf"
+  }
\ No newline at end of file
diff --git a/src/datasets/Video_Based_CSL.json b/src/datasets/Video_Based_CSL.json
index 7243b98..0ee94b4 100644
--- a/src/datasets/Video_Based_CSL.json
+++ b/src/datasets/Video_Based_CSL.json
@@ -3,7 +3,7 @@
     "name": "Video-Based CSL",
     "year": 2018,
     "publication": "dataset:huang2018video",
-    "url": "http://home.ustc.edu.cn/~hagjie/"
+    "url": "https://ustc-slr.github.io/datasets/2015_csl/"
   },
   "features": ["video:RGBD","gloss", "pose:Kinect"],
   "language": "Chinese",
@@ -11,5 +11,5 @@
   "#samples": "25,000 Videos",
   "#signers": 50,
   "license": "Research Attribution",
-  "licenseUrl": "https://rec.ustc.edu.cn/share/475ac440-dab7-11ea-963e-ebae3cfe5012"
+  "licenseUrl": "https://ustc-slr.github.io/datasets/2015_csl/Release-Agreement-csl2015.pdf"
 }