diff --git a/src/components/chain/contract/Locker.js b/src/components/chain/contract/Locker.js
index afd211a..67b4f06 100644
--- a/src/components/chain/contract/Locker.js
+++ b/src/components/chain/contract/Locker.js
@@ -80,7 +80,9 @@ export class Locker {
     if (errcode) {
       throw new Error(errmsg)
     }
-    
+    if (chainId == parseInt(import.meta.env.VUE_APP_NET_ID_MAIN)) {
+      trans_req.from = this.bc.store.eoaAddress
+    }
     return this.sendUnlockOrMint(provider, trans_req)
   }