diff --git a/.gitignore b/.gitignore
index 1b716cf..129399b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 /target
 .DS_Store
 /tmp
-.idea
\ No newline at end of file
+.idea
+/android
+/ios
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index 499a39f..1faedd1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -99,12 +99,6 @@ version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
 
-[[package]]
-name = "cesu8"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d43a04d8753f35258c91f8ec639f792891f748a1edbd759cf1dcea3382ad83c"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -120,16 +114,6 @@ dependencies = [
  "bitflags",
 ]
 
-[[package]]
-name = "combine"
-version = "4.6.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35ed6e9d84f0b51a7f52daf1c7d71dd136fd7a3f41a8462b8cdb8c78d920fad4"
-dependencies = [
- "bytes",
- "memchr",
-]
-
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -665,26 +649,6 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c8af84674fe1f223a982c933a0ee1086ac4d4052aa0fb8060c12c6ad838e754"
 
-[[package]]
-name = "jni"
-version = "0.19.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6df18c2e3db7e453d3c6ac5b3e9d5182664d28788126d39b91f2d1e22b017ec"
-dependencies = [
- "cesu8",
- "combine",
- "jni-sys",
- "log",
- "thiserror",
- "walkdir",
-]
-
-[[package]]
-name = "jni-sys"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
-
 [[package]]
 name = "js-sys"
 version = "0.3.60"
@@ -1192,7 +1156,6 @@ name = "rustwallet"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "jni",
  "openssl",
  "secp256k1 0.24.0",
  "serde",
@@ -1208,15 +1171,6 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
 
-[[package]]
-name = "same-file"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
-dependencies = [
- "winapi-util",
-]
-
 [[package]]
 name = "schannel"
 version = "0.1.20"
@@ -1713,17 +1667,6 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
-[[package]]
-name = "walkdir"
-version = "2.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56"
-dependencies = [
- "same-file",
- "winapi",
- "winapi-util",
-]
-
 [[package]]
 name = "want"
 version = "0.3.0"
@@ -1880,15 +1823,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
-[[package]]
-name = "winapi-util"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
diff --git a/Cargo.toml b/Cargo.toml
index fe84b8a..feb20de 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,11 +7,11 @@ edition = "2021"
 [lib]
 name = "rustywallet"
 # this is needed to build for iOS and Android.
-crate-type = ["staticlib", "dylib"]
+crate-type = ["staticlib"]
 
 # this dependency is only needed for Android.
-[target.'cfg(target_os = "android")'.dependencies]
-jni = { version = "0.19.0", default-features = false }
+# [target.'cfg(target_os = "android")'.dependencies]
+# jni = { version = "0.19.0", default-features = false }
 
 [dependencies]
 anyhow = "1.0.65"
diff --git a/scripts/android_build.sh b/scripts/android_build.sh
index a910728..a758e5c 100755
--- a/scripts/android_build.sh
+++ b/scripts/android_build.sh
@@ -2,11 +2,11 @@
 # set the version to use the library
 min_ver=22
 # verify before executing this that you have the proper targets installed
-cargo ndk -t armeabi-v7a -t arm64-v8a -t x86_64 -p ${min_ver} build --release 
+cargo ndk -t armeabi-v7a -t arm64-v8a -t x86_64 -t x86 -p ${min_ver} build --release 
 
 # moving libraries to the android project
 jniLibs=./android/rusty-android-lib/src/main/jniLibs
-libName=librustywallet.so
+libName=librustywallet.a
 
 rm -rf ${jniLibs}
 
diff --git a/scripts/ios_build.sh b/scripts/ios_build.sh
index 06296da..25cc3b0 100755
--- a/scripts/ios_build.sh
+++ b/scripts/ios_build.sh
@@ -5,8 +5,8 @@ cargo lipo --release
 
 # moving files to the ios project
 proj=ios
-inc=../${proj}/include
-libs=../${proj}/libs
+inc=./${proj}/include
+libs=./${proj}/libs
 
 rm -rf ${inc} ${libs}
 
diff --git a/test/test.rs b/test/test.rs
new file mode 100644
index 0000000..a43e115
--- /dev/null
+++ b/test/test.rs
@@ -0,0 +1,47 @@
+//test.rs
+//
+// 测试在Rust侧生成钱包密钥对，转换成C侧的数据结构。
+// 测试钱包在C侧调用接口存储和重新读出钱包密钥
+//
+
+use std::ffi::CStr;
+//use rustylib::gen::{CWallet};
+use rustywallet::{
+    fetch_cwallet, free_cwallet, generate_cwallet, generate_qrcode_svg, save_wallet, CWallet,
+};
+
+fn main() {
+    unsafe {
+        let wallet: CWallet = generate_cwallet();
+        println!("---- generated a wallet to be used on C-side ----");
+        print_wallet(&wallet);
+
+        println!("---- saving the wallet to wallet.json ----");
+        save_wallet(&wallet);
+        println!("---- saved! ----");
+
+        println!("---- fetching the saved wallet to be exposed to C-side ----");
+        let fetched = fetch_cwallet();
+        print_wallet(&fetched);
+
+        free_cwallet(wallet); // 对应 generate_cwallet()
+        free_cwallet(fetched); // 对应 fetch_wallet()
+    }
+}
+
+unsafe fn print_wallet(wallet: &CWallet) {
+    let a = CStr::from_ptr(wallet.public_addr);
+    let pa = a.to_str().unwrap();
+    println!("public address=> {}", pa);
+    let qrcode_pa = generate_qrcode_svg(wallet.public_addr);
+    let c_qrcode_pa = CStr::from_ptr(qrcode_pa);
+    println!("QR Code:\n {}", c_qrcode_pa.to_str().unwrap());
+
+    let pk = CStr::from_ptr(wallet.public_key);
+    let ppk = pk.to_str().unwrap();
+    println!("public key=> {}", ppk);
+
+    let sk = CStr::from_ptr(wallet.private_key);
+    let psk = sk.to_str().unwrap();
+    println!("private key=> {}", psk);
+}