diff --git a/contracts/claims/bin/root.sh b/contracts/claims/bin/root.sh
index 492ef810f..5a131e5b7 100644
--- a/contracts/claims/bin/root.sh
+++ b/contracts/claims/bin/root.sh
@@ -2,13 +2,13 @@
 
 set -e
 
-# export SETH_CHAIN=crab
-# export ETH_FROM=0x0085a7739de16716b5dd5a07d42d08708769c988
-# CLAIMS=0xA561c8F6AC9eCb31e0793fBe2CCEc136a7e4bE84
+export SETH_CHAIN=crab
+export ETH_FROM=0x0085a7739de16716b5dd5a07d42d08708769c988
+CLAIMS=0xA561c8F6AC9eCb31e0793fBe2CCEc136a7e4bE84
 
-export SETH_CHAIN=ethlive
-export ETH_FROM=0x7aE77149ed38c5dD313e9069d790Ce7085caf0A6
-CLAIMS=0x15fC591601044351868b13a5B629c170Bf3F30A0
+# export SETH_CHAIN=ethlive
+# export ETH_FROM=0x7aE77149ed38c5dD313e9069d790Ce7085caf0A6
+# CLAIMS=0x15fC591601044351868b13a5B629c170Bf3F30A0
 
 path="${PWD}/data/${SETH_CHAIN}/root/${1}_${2}.json"
 echo "path: $path"
diff --git a/contracts/claims/bin/verify.sh b/contracts/claims/bin/verify.sh
index f93132c30..f946039c4 100644
--- a/contracts/claims/bin/verify.sh
+++ b/contracts/claims/bin/verify.sh
@@ -2,13 +2,13 @@
 
 set -e
 
-# export SETH_CHAIN=crab
-# export ETH_FROM=0x0085a7739de16716b5dd5a07d42d08708769c988
-# CLAIMS=0xA561c8F6AC9eCb31e0793fBe2CCEc136a7e4bE84
+export SETH_CHAIN=crab
+export ETH_FROM=0x0085a7739de16716b5dd5a07d42d08708769c988
+CLAIMS=0xA561c8F6AC9eCb31e0793fBe2CCEc136a7e4bE84
 
-export SETH_CHAIN=ethlive
-export ETH_FROM=0x7aE77149ed38c5dD313e9069d790Ce7085caf0A6
-CLAIMS=0x15fC591601044351868b13a5B629c170Bf3F30A0
+# export SETH_CHAIN=ethlive
+# export ETH_FROM=0x7aE77149ed38c5dD313e9069d790Ce7085caf0A6
+# CLAIMS=0x15fC591601044351868b13a5B629c170Bf3F30A0
 
 path="${PWD}/data/${SETH_CHAIN}/verify/${1}_${2}.json"
 echo "path: $path"
diff --git a/contracts/claims/data/crab/data/nft_events.json b/contracts/claims/data/crab/data/nft_events.json
index bf0a1156d..865154f28 100644
--- a/contracts/claims/data/crab/data/nft_events.json
+++ b/contracts/claims/data/crab/data/nft_events.json
@@ -1,16 +1,16 @@
 {
   "name": "Darwinia & Crab NFT",
   "timestamp": "2022-08-16T00:00:00.000Z",
-  "version": { "major": 0, "minor": 2, "patch": 0 },
+  "version": { "major": 0, "minor": 3, "patch": 0 },
   "logoURI": "https://pordria.evolution.land/logos/darwinia.png",
   "events": [
     {
       "chainId": 44,
       "address": "0xA561c8F6AC9eCb31e0793fBe2CCEc136a7e4bE84",
-      "name": "August PLO Rewards",
+      "name": "October & November PLO Rewards",
       "detail":"-",
       "logoURI": "https://pordria.evolution.land/logos/darwinia.png",
-      "proofURI": "https://raw.githubusercontent.com/darwinia-network/darwinia-messages-sol/master/contracts/claims/data/crab/proof/aug_23.json"
+      "proofURI": "https://raw.githubusercontent.com/darwinia-network/darwinia-messages-sol/master/contracts/claims/data/crab/proof/octnov_37.json"
     },
     {
       "chainId": 44,
@@ -19,6 +19,14 @@
       "detail":"-",
       "logoURI": "https://pordria.evolution.land/logos/darwinia.png",
       "proofURI": "https://raw.githubusercontent.com/darwinia-network/darwinia-messages-sol/master/contracts/claims/data/crab/proof/sep_26.json"
+    },
+    {
+      "chainId": 44,
+      "address": "0xA561c8F6AC9eCb31e0793fBe2CCEc136a7e4bE84",
+      "name": "August PLO Rewards",
+      "detail":"-",
+      "logoURI": "https://pordria.evolution.land/logos/darwinia.png",
+      "proofURI": "https://raw.githubusercontent.com/darwinia-network/darwinia-messages-sol/master/contracts/claims/data/crab/proof/aug_23.json"
     }
   ]
 }
diff --git a/contracts/claims/data/crab/data/octnov_37.json b/contracts/claims/data/crab/data/octnov_37.json
new file mode 100644
index 000000000..77aa61278
--- /dev/null
+++ b/contracts/claims/data/crab/data/octnov_37.json
@@ -0,0 +1,34 @@
+[
+    {
+        "erc1155":[],
+        "erc20":{
+            "amounts":[],
+            "contractAddresses":[]
+        },
+        "erc721":[
+            {
+                "contractAddress":"0xB29DA7C1b1514AB342afbE6AB915252Ad3f87E4d",
+                "ids":[
+                    "19002440208967408626316923705014494878449749569831862348137923003784877839870"
+                ]
+            }
+        ],
+        "to":"0xCF43e9A2F9ED4810de89aE08d88445D8CcF63aB1"
+    },
+    {
+        "erc1155":[],
+        "erc20":{
+            "amounts":[],
+            "contractAddresses":[]
+        },
+        "erc721":[
+            {
+                "contractAddress":"0xB29DA7C1b1514AB342afbE6AB915252Ad3f87E4d",
+                "ids":[
+                    "19002440208967408626316923705014494878449749569831862348137923003784877839873"
+                ]
+            }
+        ],
+        "to":"0xD1421ae08b24f5b24fa97980341DAbCADEeD3873"
+    }
+]
diff --git a/contracts/claims/data/crab/proof/octnov_37.json b/contracts/claims/data/crab/proof/octnov_37.json
new file mode 100644
index 000000000..b40c79eea
--- /dev/null
+++ b/contracts/claims/data/crab/proof/octnov_37.json
@@ -0,0 +1 @@
+[{"erc1155":[],"erc20":{"amounts":[],"contractAddresses":[]},"erc721":[{"contractAddress":"0xB29DA7C1b1514AB342afbE6AB915252Ad3f87E4d","ids":["19002440208967408626316923705014494878449749569831862348137923003784877839870"]}],"to":"0xCF43e9A2F9ED4810de89aE08d88445D8CcF63aB1","salt":"0x0000000000000000000000000000000000000000000000000000000000000025","proof":["0xf62c3e3997af0c76e0a64ef56f947a539116e5dd035029630c49ada491cc108f"]},{"erc1155":[],"erc20":{"amounts":[],"contractAddresses":[]},"erc721":[{"contractAddress":"0xB29DA7C1b1514AB342afbE6AB915252Ad3f87E4d","ids":["19002440208967408626316923705014494878449749569831862348137923003784877839873"]}],"to":"0xD1421ae08b24f5b24fa97980341DAbCADEeD3873","salt":"0x0000000000000000000000000000000000000000000000000000000000000025","proof":["0xd70d0d82897bd00832bac2b24f74ff26adee2a7db04dd6939736e51831924fed"]}]
diff --git a/contracts/claims/data/crab/root/octnov_37.json b/contracts/claims/data/crab/root/octnov_37.json
new file mode 100644
index 000000000..89f171970
--- /dev/null
+++ b/contracts/claims/data/crab/root/octnov_37.json
@@ -0,0 +1 @@
+0x11ba937c6d35a6ccfe4c8555ba8bbe6e8cc3bf1c97102c5b0dada436b8bdfafc
\ No newline at end of file
diff --git a/contracts/claims/data/crab/verify/octnov_37.json b/contracts/claims/data/crab/verify/octnov_37.json
new file mode 100644
index 000000000..e4df0522c
--- /dev/null
+++ b/contracts/claims/data/crab/verify/octnov_37.json
@@ -0,0 +1 @@
+{"0xCF43e9A2F9ED4810de89aE08d88445D8CcF63aB1":"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","0xD1421ae08b24f5b24fa97980341DAbCADEeD3873":"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"}