diff --git a/.github/workflows/ios.yml b/.github/workflows/ios.yml
new file mode 100644
index 00000000..552e1657
--- /dev/null
+++ b/.github/workflows/ios.yml
@@ -0,0 +1,34 @@
+name: ios
+on:
+  push:
+    branches:
+     - master
+     - 'feature/**'
+    paths:
+      - 'src/**'
+      - 'ios/**'
+      - '.github/workflows/ios.yml'
+  pull_request:
+    branches: [master]
+    paths:
+      - 'src/**'
+      - 'ios/**'
+      - '.github/workflows/ios.yml'
+
+jobs:
+  build:
+    name: ios-build
+    runs-on: macos-latest
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: 'recursive'
+
+      - name: build
+        uses: mxcl/xcodebuild@v3.0.0
+          with:
+            project: ios/mnn-llm/mnn-llm.xcodeproj
+            configuration: Release
+            sdk: iphonesimulator
+            destination: "platform=iOS,id=dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder,name=Any iOS Device"
\ No newline at end of file
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 76a1baeb..6fd0a585 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -17,7 +17,7 @@ on:
 
 jobs:
   build:
-    name: linux-build
+    name: python-build
     runs-on: ubuntu-latest
 
     steps:
diff --git a/resource/models/download_models.ps1 b/resource/models/download_models.ps1
deleted file mode 100644
index 0661a50f..00000000
--- a/resource/models/download_models.ps1
+++ /dev/null
@@ -1,96 +0,0 @@
-function help {
-    Write-Host "model download script"
-    Write-Host "Usage: ./download_model.ps1 [OPTIONS]"
-    Write-Host ""
-    Write-Host "Options:"
-    Write-Host "    -h,--help                   Print this help message and exit"
-    Write-Host "    fp16,int8,int4              Chose different models"
-    Write-Host "    proxy                       Use https://ghproxy.com to proxy github when download file"
-}
-
-function fp16_model {
-    mkdir fp16
-    for ($i = 0; $i -le 27; $i++) {
-        Invoke-WebRequest -Uri "$($args[0])https://github.com/wangzhaode/ChatGLM-MNN/releases/download/v0.1/glm_block_$i.mnn" -OutFile "fp16\glm_block_$i.mnn"
-    }
-
-    Invoke-WebRequest -Uri "$($args[0])https://github.com/wangzhaode/ChatGLM-MNN/releases/download/v0.1/lm.mnn" -OutFile "fp16\lm.mnn"
-    Invoke-WebRequest -Uri "$($args[0])https://github.com/wangzhaode/ChatGLM-MNN/releases/download/v0.1/slim_word_embeddings.bin" -OutFile "fp16\slim_word_embeddings.bin"
-}
-
-function int8_model {
-    mkdir int8
-    for ($i = 0; $i -le 27; $i++) {
-        Invoke-WebRequest -Uri "$($args[0])https://github.com/wangzhaode/ChatGLM-MNN/releases/download/v0.2/glm_block_$i.mnn" -OutFile "int8\glm_block_$i.mnn"
-    }
-
-    Invoke-WebRequest -Uri "$($args[0])https://github.com/wangzhaode/ChatGLM-MNN/releases/download/v0.1/lm.mnn" -OutFile "int8\lm.mnn"
-    Invoke-WebRequest -Uri "$($args[0])https://github.com/wangzhaode/ChatGLM-MNN/releases/download/v0.1/slim_word_embeddings.bin" -OutFile "int8\slim_word_embeddings.bin"
-}
-
-function int4_model {
-    mkdir int4
-    for ($i = 0; $i -le 27; $i++) {
-        Invoke-WebRequest -Uri "$($args[0])https://github.com/wangzhaode/ChatGLM-MNN/releases/download/v0.3/glm_block_$i.mnn" -OutFile "int4\glm_block_$i.mnn"
-    }
-
-    Invoke-WebRequest -Uri "$($args[0])https://github.com/wangzhaode/ChatGLM-MNN/releases/download/v0.1/lm.mnn" -OutFile "int4\lm.mnn"
-    Invoke-WebRequest -Uri "$($args[0])https://github.com/wangzhaode/ChatGLM-MNN/releases/download/v0.1/slim_word_embeddings.bin" -OutFile "int4\slim_word_embeddings.bin"
-}
-
-if ($args.Length -eq 0) {
-    help
-    exit 1
-}
-
-$proxy = $false
-
-foreach ($arg in $args) {
-    switch ($arg) {
-        "--help" {
-            help
-        }
-        "-h" {
-            help
-        }
-        "proxy" {
-            $proxy = $true
-        }
-    }
-}
-
-if ($proxy) {
-    foreach ($arg in $args) {
-        switch ($arg) {
-            "fp16" {
-                fp16_model "https://ghproxy.com/"
-            }
-            "int8" {
-                int8_model "https://ghproxy.com/"
-            }
-            "int4" {
-                int4_model "https://ghproxy.com/"
-            }
-            default {
-                help
-            }
-        }
-    }
-} else {
-    foreach ($arg in $args) {
-        switch ($arg) {
-            "fp16" {
-                fp16_model ""
-            }
-            "int8" {
-                int8_model ""
-            }
-            "int4" {
-                int4_model ""
-            }
-            default {
-                help
-            }
-        }
-    }
-}
\ No newline at end of file