diff --git a/README.md b/README.md
index b94bdbedd..83acc62d6 100644
--- a/README.md
+++ b/README.md
@@ -16,9 +16,9 @@ Install Go. Use the 19.x series version.
 
 ```bash
 $ wget https://go.dev/dl/go1.19.2.linux-amd64.tar.gz
-$ rm -rf /usr/local/go && tar -C /usr/local -xzf go1.19.2.linux-amd64.tar.gz
+$ sudo rm -rf /usr/local/go && sudo tar -C /usr/local -xzf go1.19.2.linux-amd64.tar.gz
 $ vim ~/.bashrc
-export PATH=$PATH:/usr/local/go/bin
+export PATH=$PATH:/usr/local/go/bin:$HOME/go/bin
 $ source ~/.bashrc
 $ go version
 go version go1.19.2 linux/amd64
diff --git a/app/app.go b/app/app.go
index 196347395..79902b39b 100644
--- a/app/app.go
+++ b/app/app.go
@@ -1479,4 +1479,5 @@ func (app *App) setupAppkeeper() {
 	app.AppKeepers.ConsensusParamsKeeper = &app.ConsensusParamsKeeper
 	app.AppKeepers.ParamsKeeper = &app.ParamsKeeper
 	app.AppKeepers.WasmKeeper = &app.WasmKeeper
+	app.AppKeepers.YieldaggregatorKeeper = &app.YieldaggregatorKeeper
 }
diff --git a/app/keepers/keepers.go b/app/keepers/keepers.go
index 5447c864c..b89b99f10 100644
--- a/app/keepers/keepers.go
+++ b/app/keepers/keepers.go
@@ -12,6 +12,8 @@ import (
 	paramskeeper "github.com/cosmos/cosmos-sdk/x/params/keeper"
 	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
 	upgradekeeper "github.com/cosmos/cosmos-sdk/x/upgrade/keeper"
+
+	yieldaggregatorKeeper "github.com/UnUniFi/chain/x/yieldaggregator/keeper"
 )
 
 type AppKeepers struct {
@@ -38,4 +40,7 @@ type AppKeepers struct {
 	DistrKeeper   *distrkeeper.Keeper
 
 	WasmKeeper *wasmkeeper.Keeper
+
+	// ununifi original keepers
+	YieldaggregatorKeeper *yieldaggregatorKeeper.Keeper
 }
diff --git a/app/upgrades/v3/upgrades.go b/app/upgrades/v3/upgrades.go
index e0c2218af..a101b4f14 100644
--- a/app/upgrades/v3/upgrades.go
+++ b/app/upgrades/v3/upgrades.go
@@ -18,6 +18,12 @@ func CreateUpgradeHandler(mm *module.Manager,
 	return func(ctx sdk.Context, plan upgradetypes.Plan, vm module.VersionMap) (module.VersionMap, error) {
 		ctx.Logger().Info(fmt.Sprintf("update start:%s", UpgradeName))
 
+		iyaParam := keepers.YieldaggregatorKeeper.GetParams(ctx)
+		iyaParam.CommissionRate = sdk.NewDecWithPrec(1, 3)
+		iyaParam.VaultCreationFee = sdk.NewCoin("uguu", sdk.NewInt(10000000))
+		iyaParam.VaultCreationDeposit = sdk.NewCoin("uguu", sdk.NewInt(1000000))
+
+		keepers.YieldaggregatorKeeper.SetParams(ctx, iyaParam)
 		return mm.RunMigrations(ctx, configurator, vm)
 	}
 }
diff --git a/docs/README.md b/docs/README.md
index 8e4ccde56..114042b4f 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -6,7 +6,7 @@ This is an example for Ubuntu.
 
 ```shell
 apt update
-apt install build-essential
+apt install build-essential unzip
 cd ~
 wget https://dl.google.com/go/go1.14.linux-amd64.tar.gz
 tar -C /usr/local -xzf go1.14.linux-amd64.tar.gz