diff --git a/packages/neuron-ui/src/components/NetworkSetting/index.tsx b/packages/neuron-ui/src/components/NetworkSetting/index.tsx
index d2c1d75711..436f42f65d 100644
--- a/packages/neuron-ui/src/components/NetworkSetting/index.tsx
+++ b/packages/neuron-ui/src/components/NetworkSetting/index.tsx
@@ -108,7 +108,7 @@ const NetworkSetting = ({ chain = chainState, settings: { networks = [] } }: Sta
         options={showNetworks.map(network => ({
           value: network.id,
           label:
-            currentId === network.id && network.readonly ? (
+            currentId === network.id && network.type === NetworkType.Light ? (
               <div className={styles.networkLabel}>
                 <p>{`${network.name} (${network.remote})`}</p>
                 <Tooltip
diff --git a/packages/neuron-ui/src/types/App/index.d.ts b/packages/neuron-ui/src/types/App/index.d.ts
index f9473e036b..043f51e3d1 100644
--- a/packages/neuron-ui/src/types/App/index.d.ts
+++ b/packages/neuron-ui/src/types/App/index.d.ts
@@ -175,7 +175,7 @@ declare namespace State {
     name: string
     remote: string
     chain: 'ckb' | 'ckb_testnet' | 'ckb_dev' | string
-    type: 0 | 1 | 2
+    type: 0 | 1 | 2 // 0 for default node, 1 for full node, 2 for light client, ref: NetworkType in utils/const.ts
     genesisHash: string
     readonly: boolean
   }
diff --git a/packages/neuron-wallet/src/services/networks.ts b/packages/neuron-wallet/src/services/networks.ts
index cd0265333c..5761e57f4a 100644
--- a/packages/neuron-wallet/src/services/networks.ts
+++ b/packages/neuron-wallet/src/services/networks.ts
@@ -33,15 +33,6 @@ export const presetNetworks: { selected: string; networks: Network[] } = {
       chain: 'ckb',
       readonly: true,
     },
-    {
-      id: 'testnet',
-      name: 'Internal Node',
-      remote: BUNDLED_CKB_URL,
-      genesisHash: TESTNET_GENESIS_HASH,
-      type: NetworkType.Default,
-      chain: 'ckb_testnet',
-      readonly: true,
-    },
   ],
 }
 
diff --git a/packages/neuron-wallet/tests/services/networks.test.ts b/packages/neuron-wallet/tests/services/networks.test.ts
index 8bbb252fe6..af3ad18a67 100644
--- a/packages/neuron-wallet/tests/services/networks.test.ts
+++ b/packages/neuron-wallet/tests/services/networks.test.ts
@@ -48,8 +48,10 @@ describe(`Unit tests of networks service`, () => {
 
     it(`has preset networks`, () => {
       const networks = service.getAll()
-      expect(networks.length).toBe(4)
+      expect(networks.length).toBe(3)
       expect(networks[0].id).toEqual('mainnet')
+      expect(networks[1].id).toEqual('light_client')
+      expect(networks[2].id).toEqual('light_client_testnet')
     })
 
     it(`get the default network`, () => {
@@ -305,17 +307,16 @@ describe(`Unit tests of networks service`, () => {
       expect(writeSyncMock).toHaveBeenNthCalledWith(2, 'AddInternalNetwork', true)
       expect(updateAllMock).toBeCalledWith([...presetNetworks.networks, ...lightClientNetwork])
     })
-    it('update internal current id to testnet', () => {
+    it('set readonly network options', () => {
       readSyncMock.mockImplementation(v => {
         if (v === 'selected') return presetNetworks.selected
-        if (v === 'networks') return [{ ...presetNetworks.networks[1], id: 'mainnet' }, ...lightClientNetwork]
+        if (v === 'networks') return lightClientNetwork
         return false
       })
       writeSyncMock.mockReset()
       //@ts-ignore private-method
       service.addInternalNetwork()
-      expect(writeSyncMock).toHaveBeenNthCalledWith(1, 'selected', 'testnet')
-      expect(writeSyncMock).toHaveBeenNthCalledWith(2, 'AddInternalNetwork', true)
+      expect(writeSyncMock).toHaveBeenNthCalledWith(1, 'AddInternalNetwork', true)
       expect(updateAllMock).toBeCalledWith([...presetNetworks.networks, ...lightClientNetwork])
     })
   })