fix: #3189 should correct math eq in exporter

app/components/chat.tsx

@@ -1176,7 +1176,12 @@ function _Chat() {
                           {["system"].includes(message.role) ? (
                             <Avatar avatar="2699-fe0f" />
                           ) : (
-                            <MaskAvatar mask={session.mask} />
+                            <MaskAvatar
+                              avatar={session.mask.avatar}
+                              model={
+                                message.model || session.mask.modelConfig.model
+                              }
+                            />
                           )}
                         </>
                       )}