diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5b1719dd507..66458e2b5e93 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Current Develop Branch
 
+## 0.6.5 Wed May 12 2021
+
+- fix: internal contract get code (#335)
+
 ## 0.6.4 Tue May 11 2021
 
 - fix: use new phishing detect controller (#332)
diff --git a/app/manifest.json b/app/manifest.json
index ea08fb5b1e24..a7288e47b51f 100644
--- a/app/manifest.json
+++ b/app/manifest.json
@@ -1,7 +1,7 @@
 {
   "name": "ConfluxPortal",
   "short_name": "ConfluxPortal",
-  "version": "0.6.4",
+  "version": "0.6.5",
   "manifest_version": 2,
   "author": "https://conflux-chain.org",
   "description": "__MSG_appDescription__",
diff --git a/app/scripts/controllers/transactions/index.js b/app/scripts/controllers/transactions/index.js
index 4178c078d49e..7391b5916a34 100644
--- a/app/scripts/controllers/transactions/index.js
+++ b/app/scripts/controllers/transactions/index.js
@@ -817,6 +817,20 @@ class TransactionController extends EventEmitter {
   */
   async _determineTransactionCategory(txParams) {
     const { data, to } = txParams
+
+    // detect internal contracts
+    if (
+      [
+        '0x0888000000000000000000000000000000000000',
+        '0x0888000000000000000000000000000000000001',
+        '0x0888000000000000000000000000000000000002',
+      ].includes(to?.toLowerCase())
+    ) {
+      return {
+        transactionCategory: CONTRACT_INTERACTION_KEY,
+        getCodeResponse: to,
+      }
+    }
     const { name } = (data && abiDecoder.decodeMethod(data)) || {}
     const tokenMethodName = [
       TOKEN_METHOD_APPROVE,