diff --git a/README.md b/README.md
index c5f46ea..5affab7 100644
--- a/README.md
+++ b/README.md
@@ -564,7 +564,7 @@ params: {
   poolId: string;          // euphrates pool id
   recipient: string;       // dest evm address
   swapAmount: string;      // how many token to swap before adding liquidity
-  minShareAmount?: string; // swap min share amount (default: 0)
+  minShareAmount?: string; // add liquidity min share amount (default: 0)
 }
 ```
 
@@ -590,9 +590,9 @@ POST /routeSwapAndLp
 data: {
   poolId: string;          // euphrates pool id
   recipient: string;       // dest evm address
-  token?: string;          // token to route, not required for `shouldRoute`
+  token: string;          // token to route
   swapAmount: string;      // how many token to swap before adding liquidity
-  minShareAmount?: string; // swap min share amount (default: 0)
+  minShareAmount?: string; // add liquidity min share amount (default: 0)
 }
 ```
 
@@ -615,6 +615,40 @@ data: {
 // similar to /routeXcm
 ```
 
+### `/rescueSwapAndLp`
+- perform gas drop
+- rescue token to recipient
+
+```
+POST /rescueSwapAndLp
+data: {
+  poolId: string;          // euphrates pool id
+  recipient: string;       // dest evm address
+  token: string;          // token to route
+  swapAmount: string;      // how many token to swap before adding liquidity
+  minShareAmount?: string; // add liquidity min share amount (default: 0)
+}
+```
+
+example
+```
+POST /rescueSwapAndLp
+data: {
+  "poolId": 7,
+  "recipient": "0x0085560b24769dAC4ed057F1B2ae40746AA9aAb6",
+  "token": "0xa7fb00459f5896c3bd4df97870b44e868ae663d7",
+  "swapAmount": 100000000
+}
+
+=> tx hash
+{
+  data: '0xe1c82c53796d82d87d2e31e289b3cc8ff18e304b8ac95f2bd7548a1706bb8655'
+}
+
+/* ---------- when error ---------- */
+// similar to /routeXcm
+```
+
 ## Routing Process
 A complete working flow can be found in [routing e2e tests](./src/__tests__/route.test.ts).
 
diff --git a/src/utils/validate.ts b/src/utils/validate.ts
index fb5c169..d6f1821 100644
--- a/src/utils/validate.ts
+++ b/src/utils/validate.ts
@@ -56,7 +56,7 @@ export type SwapAndRouteParams = RouteParamsEuphrates;
 // does not support general swap yet
 export interface SwapAndLpParams extends RouteParamsEuphrates {
   swapAmount: string;         // how many token to swap before adding liquidity
-  minShareAmount?: string;    // swap min share amount
+  minShareAmount?: string;    // add liquidity min share amount
 }
 
 export interface RelayAndRouteParams extends RouteParamsXcm {