diff --git a/Cargo.lock b/Cargo.lock
index 2280072..c5a1e0c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1154,56 +1154,27 @@ dependencies = [
 
 [[package]]
 name = "jni"
-version = "0.22.0"
+version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "051ac7b04986c689b0c2e136bd26f992509d4d3e10aff8557ca002d5de7eae39"
+checksum = "1a87aa2bb7d2af34197c04845522473242e1aa17c12f4935d5856491a7fb8c97"
 dependencies = [
  "cesu8",
  "cfg-if",
  "combine",
  "java-locator",
- "jni-macros",
  "jni-sys",
  "libloading",
  "log",
- "paste",
- "thiserror",
+ "thiserror 1.0.69",
  "walkdir",
- "windows-link",
-]
-
-[[package]]
-name = "jni-macros"
-version = "0.22.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8cf8534090fdcb2891c0b24a46db1a11154747c83f59efd732d8fb75a7b2e48c"
-dependencies = [
- "cesu8",
- "proc-macro-crate",
- "proc-macro2",
- "quote",
- "rustc_version",
- "syn 2.0.116",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
 name = "jni-sys"
-version = "0.4.1"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6377a88cb3910bee9b0fa88d4f42e1d2da8e79915598f65fb0c7ee14c878af2"
-dependencies = [
- "jni-sys-macros",
-]
-
-[[package]]
-name = "jni-sys-macros"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38c0b942f458fe50cdac086d2f946512305e5631e720728f2a61aabcd47a6264"
-dependencies = [
- "quote",
- "syn 2.0.116",
-]
+checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
 
 [[package]]
 name = "jobserver"
@@ -1284,12 +1255,12 @@ dependencies = [
 
 [[package]]
 name = "libloading"
-version = "0.8.9"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7c4b02199fee7c5d21a5ae7d8cfa79a6ef5bb2fc834d6e9058e89c825efdc55"
+checksum = "b67380fd3b2fbe7527a606e18729d21c6f3951633d0500574c4dc22d2d638b9f"
 dependencies = [
  "cfg-if",
- "windows-link",
+ "winapi",
 ]
 
 [[package]]
@@ -1523,12 +1494,6 @@ dependencies = [
  "windows-link",
 ]
 
-[[package]]
-name = "paste"
-version = "1.0.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
-
 [[package]]
 name = "pem"
 version = "3.0.6"
@@ -1621,15 +1586,6 @@ dependencies = [
  "syn 2.0.116",
 ]
 
-[[package]]
-name = "proc-macro-crate"
-version = "3.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "219cb19e96be00ab2e37d6e299658a0cfa83e52429179969b0f0121b4ac46983"
-dependencies = [
- "toml_edit",
-]
-
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -1845,7 +1801,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a8a1f2315036ef6b1fbacd1972e8ee7688030b0a2121edfc2a6550febd41574d"
 dependencies = [
  "hashbrown 0.16.1",
- "thiserror",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -2167,13 +2123,33 @@ dependencies = [
  "syn 2.0.116",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl 1.0.69",
+]
+
 [[package]]
 name = "thiserror"
 version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 2.0.18",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.116",
 ]
 
 [[package]]
@@ -2257,36 +2233,6 @@ dependencies = [
  "tokio",
 ]
 
-[[package]]
-name = "toml_datetime"
-version = "0.7.5+spec-1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92e1cfed4a3038bc5a127e35a2d360f145e1f4b971b551a2ba5fd7aedf7e1347"
-dependencies = [
- "serde_core",
-]
-
-[[package]]
-name = "toml_edit"
-version = "0.23.10+spec-1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84c8b9f757e028cee9fa244aea147aab2a9ec09d5325a9b01e0a49730c2b5269"
-dependencies = [
- "indexmap",
- "toml_datetime",
- "toml_parser",
- "winnow",
-]
-
-[[package]]
-name = "toml_parser"
-version = "1.0.9+spec-1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "702d4415e08923e7e1ef96cd5727c0dfed80b4d2fa25db9647fe5eb6f7c5a4c4"
-dependencies = [
- "winnow",
-]
-
 [[package]]
 name = "tracing"
 version = "0.1.44"
@@ -2565,6 +2511,22 @@ dependencies = [
  "rustls-pki-types",
 ]
 
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
 [[package]]
 name = "winapi-util"
 version = "0.1.11"
@@ -2574,12 +2536,27 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
 [[package]]
 name = "windows-link"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
 
+[[package]]
+name = "windows-sys"
+version = "0.45.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
+dependencies = [
+ "windows-targets 0.42.2",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
@@ -2607,6 +2584,21 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "windows-targets"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
+dependencies = [
+ "windows_aarch64_gnullvm 0.42.2",
+ "windows_aarch64_msvc 0.42.2",
+ "windows_i686_gnu 0.42.2",
+ "windows_i686_msvc 0.42.2",
+ "windows_x86_64_gnu 0.42.2",
+ "windows_x86_64_gnullvm 0.42.2",
+ "windows_x86_64_msvc 0.42.2",
+]
+
 [[package]]
 name = "windows-targets"
 version = "0.52.6"
@@ -2640,6 +2632,12 @@ dependencies = [
  "windows_x86_64_msvc 0.53.1",
 ]
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.52.6"
@@ -2652,6 +2650,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a9d8416fa8b42f5c947f8482c43e7d89e73a173cead56d044f6a56104a6d1b53"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.52.6"
@@ -2664,6 +2668,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9d782e804c2f632e395708e99a94275910eb9100b2114651e04744e9b125006"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.52.6"
@@ -2688,6 +2698,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fa7359d10048f68ab8b09fa71c3daccfb0e9b559aed648a8f95469c27057180c"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.52.6"
@@ -2700,6 +2716,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e7ac75179f18232fe9c285163565a57ef8d3c89254a30685b57d83a38d326c2"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.52.6"
@@ -2712,6 +2734,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c3842cdd74a865a8066ab39c8a7a473c0778a3f29370b5fd6b4b9aa7df4a499"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.52.6"
@@ -2724,6 +2752,12 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ffa179e2d07eee8ad8f57493436566c7cc30ac536a3379fdf008f47f6bb7ae1"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.52.6"
@@ -2736,15 +2770,6 @@ version = "0.53.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
 
-[[package]]
-name = "winnow"
-version = "0.7.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a5364e9d77fcdeeaa6062ced926ee3381faa2ee02d3eb83a5c27a8825540829"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "wit-bindgen"
 version = "0.51.0"
diff --git a/Cargo.toml b/Cargo.toml
index 4e53401..464f6fd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ mime_guess = "2.0.5"
 include_dir = "0.7.4"
 
 [target.aarch64-linux-android.dependencies]
-jni = { version = "0.22.0", features = ["invocation", "default"], optional = true }
+jni = { version = "0.21.0", features = ["invocation", "default"], optional = true }
 
 [target.aarch64-apple-ios.dependencies]
 objc2 = { version = "0.6.3", optional = true }
diff --git a/src/android.rs b/src/android.rs
index a5022ec..927ff3e 100644
--- a/src/android.rs
+++ b/src/android.rs
@@ -1,4 +1,4 @@
-use jni::Env;
+use jni::JNIEnv;
 use jni::objects::{JClass};
 use jni::sys::{jstring, jboolean};
 use std::thread;
@@ -28,14 +28,14 @@ macro_rules! log_to_logcat {
 
 #[unsafe(no_mangle)]
 extern "C" fn Java_one_ethanthesleepy_androidew_BackgroundService_startServer<'local>(
-    mut env: Env<'local>,
+    mut env: JNIEnv<'local>,
     _class: JClass<'local>,
     data_path: JString<'local>,
     easter: jboolean
 ) -> jstring {
-    crate::runtime::set_easter_mode(easter);
+    crate::runtime::set_easter_mode(easter != 0);
 
-    let data_path = data_path.to_string();
+    let data_path: String = env.get_string(&data_path).unwrap().into();
     crate::runtime::update_data_path(&data_path);
 
     let output = env.new_string(String::from("Azunyannnn~")).unwrap();
@@ -47,7 +47,7 @@ extern "C" fn Java_one_ethanthesleepy_androidew_BackgroundService_startServer<'l
 }
 
 #[unsafe(no_mangle)]
-extern "C" fn Java_one_ethanthesleepy_androidew_BackgroundService_stopServer<'local>(mut env: Env<'local>, _class: JClass<'local>) -> jstring {
+extern "C" fn Java_one_ethanthesleepy_androidew_BackgroundService_stopServer<'local>(env: JNIEnv<'local>, _class: JClass<'local>) -> jstring {
     stop_server();
     let output = env.new_string(String::from("I like Yui!")).unwrap();
     output.into_raw()
@@ -55,6 +55,6 @@ extern "C" fn Java_one_ethanthesleepy_androidew_BackgroundService_stopServer<'lo
 
 
 #[unsafe(no_mangle)]
-extern "C" fn Java_one_ethanthesleepy_androidew_BackgroundService_setEasterMode<'local>(_env: Env<'local>, _class: JClass<'local>, easter: jboolean) {
-    crate::runtime::set_easter_mode(easter);
+extern "C" fn Java_one_ethanthesleepy_androidew_BackgroundService_setEasterMode<'local>(_env: JNIEnv<'local>, _class: JClass<'local>, easter: jboolean) {
+    crate::runtime::set_easter_mode(easter != 0);
 }