diff --git a/.github/workflows/build_test.yml b/.github/workflows/build_test.yml
index f6b6187..6fb5cbc 100644
--- a/.github/workflows/build_test.yml
+++ b/.github/workflows/build_test.yml
@@ -1,8 +1,9 @@
 name: Build & Test
 
 on:
+  workflow_dispatch:
   pull_request:
-    branches: ["main", "dev"]
+    branches: [ "main", "dev" ]
   schedule:
     - cron: "23 3 * * *"
 env:
@@ -14,6 +15,8 @@ jobs:
     env:
       SSO_ID: ${{ vars.SSO_ID }}
       SSO_PASSWORD: ${{ secrets.SSO_PASSWORD }}
+      TARGET_YEAR: ${{ vars.TARGET_YEAR }}
+      TARGET_SEMESTER: ${{ vars.TARGET_SEMESTER }}
     steps:
       - uses: actions/checkout@v4
       - name: Setup Rust
diff --git a/.github/workflows/dry-run.yml b/.github/workflows/dry-run.yml
index 253ae69..3697ace 100644
--- a/.github/workflows/dry-run.yml
+++ b/.github/workflows/dry-run.yml
@@ -2,7 +2,7 @@ name: Dry-run before publish
 
 on:
   pull_request:
-    branches: ["main"]
+    branches: [ "main" ]
 env:
   CARGO_TERM_COLOR: always
 jobs:
@@ -12,6 +12,8 @@ jobs:
     env:
       SSO_ID: ${{ vars.SSO_ID }}
       SSO_PASSWORD: ${{ secrets.SSO_PASSWORD }}
+      TARGET_YEAR: ${{ vars.TARGET_YEAR }}
+      TARGET_SEMESTER: ${{ vars.TARGET_SEMESTER }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/Cargo.toml b/Cargo.toml
index 0b9cbcb..bf8223f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = ["packages/rusaint", "packages/rusaint-ffi", "uniffi-bindgen"]
 resolver = "2"
 
 [workspace.package]
-version = "0.7.4"
+version = "0.8.0"
 
 keywords = ["ssu", "u-saint", "scraping", "parser"]
 authors = ["Hyomin Koo <me@eatsteak.dev>"]
@@ -14,5 +14,5 @@ edition = "2021"
 readme = "README.md"
 
 [workspace.dependencies]
-thiserror = "1.0.44"
+thiserror = "2.0.8"
 tokio = { version = "1.29.1" }
diff --git a/languages/kotlin/lib/build.gradle.kts b/languages/kotlin/lib/build.gradle.kts
index b6e3c5f..9d74b62 100644
--- a/languages/kotlin/lib/build.gradle.kts
+++ b/languages/kotlin/lib/build.gradle.kts
@@ -13,7 +13,7 @@ plugins {
 
 group = "dev.eatsteak"
 description = "Easy and Reliable SSU u-saint scraper"
-version = "0.7.4"
+version = "0.8.0"
 
 android {
     namespace = "dev.eatsteak.rusaint"
diff --git a/packages/rusaint-ffi/Cargo.toml b/packages/rusaint-ffi/Cargo.toml
index f4ac337..676d2bf 100644
--- a/packages/rusaint-ffi/Cargo.toml
+++ b/packages/rusaint-ffi/Cargo.toml
@@ -14,10 +14,10 @@ crate-type = ["lib", "cdylib", "staticlib"]
 name = "rusaint_ffi"
 
 [dependencies]
-uniffi = { version = "0.28.1", features = ["tokio"] }
+uniffi = { version = "0.28.3", features = ["tokio"] }
 rusaint = { path = "../rusaint", features = ["uniffi"] }
 thiserror = { workspace = true }
 tokio = { workspace = true, features = ["sync"] }
 
 [build-dependencies]
-uniffi = { version = "0.28.1", features = ["build"] }
+uniffi = { version = "0.28.3", features = ["build"] }
diff --git a/packages/rusaint-ffi/src/application/course_grades.rs b/packages/rusaint-ffi/src/application/course_grades.rs
index 66d62da..c9bb358 100644
--- a/packages/rusaint-ffi/src/application/course_grades.rs
+++ b/packages/rusaint-ffi/src/application/course_grades.rs
@@ -52,7 +52,7 @@ impl CourseGradesApplication {
     pub async fn classes(
         &self,
         course_type: CourseType,
-        year: &str,
+        year: u32,
         semester: SemesterType,
         include_details: bool,
     ) -> Result<Vec<ClassGrade>, RusaintError> {
@@ -68,7 +68,7 @@ impl CourseGradesApplication {
     pub async fn class_detail(
         &self,
         course_type: CourseType,
-        year: &str,
+        year: u32,
         semester: SemesterType,
         code: &str,
     ) -> Result<HashMap<String, f32>, RusaintError> {
diff --git a/packages/rusaint/Cargo.toml b/packages/rusaint/Cargo.toml
index 02897c8..7deaffd 100644
--- a/packages/rusaint/Cargo.toml
+++ b/packages/rusaint/Cargo.toml
@@ -19,9 +19,9 @@ application = ["element"]
 uniffi = ["dep:uniffi", "application"]
 
 [dependencies]
-uniffi = { version = "0.28.1", optional = true }
-derive_builder = "0.20.0"
-reqwest = { version = "0.12.7", features = [
+uniffi = { version = "0.28.3", optional = true }
+derive_builder = "0.20.2"
+reqwest = { version = "0.12.9", features = [
     "charset",
     "http2",
     "macos-system-configuration",
@@ -33,10 +33,10 @@ reqwest = { version = "0.12.7", features = [
 thiserror = { workspace = true }
 tokio = { workspace = true, features = ["sync"] }
 html-escape = "0.2.13"
-url = "2.5.2"
+url = "2.5.4"
 roxmltree = "0.20.0"
 lol_html = "1.2.1"
-scraper = { version = "0.20.0", features = ["atomic"], optional = true }
+scraper = { version = "0.22.0", features = ["atomic"], optional = true }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 custom_debug_derive = "0.6.1"
@@ -52,4 +52,4 @@ tokio-test = "0.4.4"
 tokio = { workspace = true, features = ["macros", "test-util"] }
 
 [build-dependencies]
-uniffi = { version = "0.28.1", features = ["build"] }
+uniffi = { version = "0.28.3", features = ["build"] }
diff --git a/packages/rusaint/src/application/course_grades/mod.rs b/packages/rusaint/src/application/course_grades/mod.rs
index 5c508a5..8604a0d 100644
--- a/packages/rusaint/src/application/course_grades/mod.rs
+++ b/packages/rusaint/src/application/course_grades/mod.rs
@@ -362,7 +362,7 @@ impl<'a> CourseGradesApplication {
     /// # use rusaint::model::SemesterType;
     /// # let session = Arc::new(USaintSession::with_password("20212345", "password").await.unwrap());
     /// let mut app = USaintClientBuilder::new().session(session).build_into::<CourseGradesApplication>().await.unwrap();
-    /// let classes = app.classes(CourseType::Bachelor, "2022", SemesterType::Two, false).await.unwrap();
+    /// let classes = app.classes(CourseType::Bachelor, 2022, SemesterType::Two, false).await.unwrap();
     /// println!("{:?}", classes); // around 3s(depends on network environment)
     /// // [ClassGrade { ... }, ClassGrade { ... }]
     /// # })
@@ -377,7 +377,7 @@ impl<'a> CourseGradesApplication {
     /// # use rusaint::application::USaintClientBuilder;
     /// # let session = Arc::new(USaintSession::with_password("20212345", "password").await.unwrap());
     /// let mut app = USaintClientBuilder::new().session(session).build_into::<CourseGradesApplication>().await.unwrap();
-    /// let classes = app.classes(CourseType::Bachelor, "2022", SemesterType::Two, true).await.unwrap();
+    /// let classes = app.classes(CourseType::Bachelor, 2022, SemesterType::Two, true).await.unwrap();
     /// println!("{:?}", classes); // around 10s(depends on network environment)
     /// // [ClassGrade { ... }, ClassGrade { ... }]
     /// # })
@@ -385,15 +385,16 @@ impl<'a> CourseGradesApplication {
     pub async fn classes(
         &mut self,
         course_type: CourseType,
-        year: &str,
+        year: u32,
         semester: SemesterType,
         include_details: bool,
     ) -> Result<Vec<ClassGrade>, RusaintError> {
+        let year = year.to_string();
         {
             self.close_popups().await?;
             let parser = ElementParser::new(self.client.body());
             self.select_course(&parser, course_type).await?;
-            self.select_semester(&parser, year, semester).await?;
+            self.select_semester(&parser, &year, semester).await?;
         }
         let parser = ElementParser::new(self.client.body());
         let class_grades: Vec<(Option<Event>, HashMap<String, String>)> = {
@@ -461,9 +462,9 @@ impl<'a> CourseGradesApplication {
     /// # use rusaint::application::USaintClientBuilder;
     /// # let session = Arc::new(USaintSession::with_password("20212345", "password").await.unwrap());
     /// let mut app = USaintClientBuilder::new().session(session).build_into::<CourseGradesApplication>().await.unwrap();
-    /// let classes = app.classes(CourseType::Bachelor, "2022", SemesterType::Two, false).await.unwrap();
+    /// let classes = app.classes(CourseType::Bachelor, 2022, SemesterType::Two, false).await.unwrap();
     /// let class = classes.iter().next().unwrap();
-    /// let class_detail = app.class_detail(CourseType::Bachelor, "2022", SemesterType::Two, class.code()).await.unwrap();
+    /// let class_detail = app.class_detail(CourseType::Bachelor, 2022, SemesterType::Two, class.code()).await.unwrap();
     /// println!("{:?}", class_detail);
     /// // {"출석(20.000)": 20.0, "중간고사(30.000)": 30.0, "과제(20.000)": 20.0, "기말고사(30.000)": 28.0}
     /// # })
@@ -471,15 +472,16 @@ impl<'a> CourseGradesApplication {
     pub async fn class_detail(
         &mut self,
         course_type: CourseType,
-        year: &str,
+        year: u32,
         semester: SemesterType,
         code: &str,
     ) -> Result<HashMap<String, f32>, RusaintError> {
+        let year = year.to_string();
         {
             self.close_popups().await?;
             let parser = ElementParser::new(self.client.body());
             self.select_course(&parser, course_type).await?;
-            self.select_semester(&parser, year, semester).await?;
+            self.select_semester(&parser, &year, semester).await?;
         }
         let parser = ElementParser::new(self.client.body());
         let table = parser.read(SapTableBodyCommand::new(Self::GRADE_BY_CLASSES_TABLE))?;
diff --git a/packages/rusaint/src/lib.rs b/packages/rusaint/src/lib.rs
index 2cf3db8..7536d24 100644
--- a/packages/rusaint/src/lib.rs
+++ b/packages/rusaint/src/lib.rs
@@ -87,11 +87,10 @@ pub mod global_test_utils {
     use dotenv::dotenv;
     use std::sync::{Arc, OnceLock};
 
-    use crate::USaintSession;
-
-    pub static SESSION: OnceLock<Arc<USaintSession>> = OnceLock::new();
+    use crate::{model::SemesterType, USaintSession};
 
     pub async fn get_session() -> Result<Arc<USaintSession>> {
+        static SESSION: OnceLock<Arc<USaintSession>> = OnceLock::new();
         if let Some(session) = SESSION.get() {
             Ok(session.to_owned())
         } else {
@@ -106,4 +105,41 @@ pub mod global_test_utils {
                 .ok_or(Error::msg("Session is not initsiated"))
         }
     }
+
+    #[cfg(feature = "application")]
+    pub async fn get_year() -> Result<i32> {
+        static TARGET_YEAR: OnceLock<i32> = OnceLock::new();
+        if let Some(year) = TARGET_YEAR.get() {
+            Ok(*year)
+        } else {
+            let year = std::env::var("TARGET_YEAR")?.parse()?;
+            let _ = TARGET_YEAR.set(year);
+            TARGET_YEAR
+                .get()
+                .copied()
+                .ok_or(Error::msg("Year is not initsiated"))
+        }
+    }
+
+    #[cfg(feature = "application")]
+    pub fn get_semester() -> Result<SemesterType> {
+        static TARGET_SEMESTER: OnceLock<SemesterType> = OnceLock::new();
+        if let Some(semester) = TARGET_SEMESTER.get() {
+            Ok(*semester)
+        } else {
+            let semester = std::env::var("TARGET_SEMESTER")?;
+            let semester_type = match semester.to_uppercase().as_str() {
+                "1" | "ONE" => SemesterType::One,
+                "SUMMER" => SemesterType::Summer,
+                "2" | "TWO" => SemesterType::Two,
+                "WINTER" => SemesterType::Winter,
+                _ => return Err(Error::msg("Invalid semester")),
+            };
+            let _ = TARGET_SEMESTER.set(semester_type);
+            TARGET_SEMESTER
+                .get()
+                .copied()
+                .ok_or(Error::msg("Semester is not initsiated"))
+        }
+    }
 }
diff --git a/packages/rusaint/src/webdynpro/element/complex/sap_table/body.rs b/packages/rusaint/src/webdynpro/element/complex/sap_table/body.rs
index be8834d..fe0a3a0 100644
--- a/packages/rusaint/src/webdynpro/element/complex/sap_table/body.rs
+++ b/packages/rusaint/src/webdynpro/element/complex/sap_table/body.rs
@@ -22,6 +22,7 @@ pub struct SapTableBody {
 }
 
 impl<'a> SapTableBody {
+    /// TODO: Implement unit test for rowspan/colspan handling
     pub(super) fn new(
         table_def: SapTableDef,
         elem_ref: ElementRef<'a>,
@@ -96,7 +97,7 @@ impl<'a> SapTableBody {
                     if rowspan > 1 {
                         spans.insert(col_counter, (cell.clone(), rowspan, colspan));
                     }
-                    for _ in 0..rowspan {
+                    for _ in 0..colspan {
                         cells.push(cell.clone());
                         col_counter += 1;
                     }
diff --git a/packages/rusaint/tests/application/chapel.rs b/packages/rusaint/tests/application/chapel.rs
index ed4f093..3c5d8d0 100644
--- a/packages/rusaint/tests/application/chapel.rs
+++ b/packages/rusaint/tests/application/chapel.rs
@@ -1,12 +1,11 @@
+use crate::{get_semester, get_session, get_year};
+use rusaint::model::SemesterType;
 use rusaint::{
     application::{chapel::ChapelApplication, USaintClientBuilder},
-    model::SemesterType,
     ApplicationError, RusaintError,
 };
 use serial_test::serial;
 
-use crate::get_session;
-
 #[tokio::test]
 #[serial]
 async fn chapel() {
@@ -16,7 +15,10 @@ async fn chapel() {
         .build_into::<ChapelApplication>()
         .await
         .unwrap();
-    let info = app.information(2022, SemesterType::Two).await.unwrap();
+    let info = app
+        .information(get_year().unwrap(), get_semester().unwrap())
+        .await
+        .unwrap();
     println!("{:?}", info);
 }
 
@@ -29,7 +31,7 @@ async fn no_chapel() {
         .build_into::<ChapelApplication>()
         .await
         .unwrap();
-    let info = app.information(2024, SemesterType::Two).await.unwrap_err();
+    let info = app.information(2017, SemesterType::Two).await.unwrap_err();
     assert!(matches!(
         info,
         RusaintError::ApplicationError(ApplicationError::NoChapelInformation)
diff --git a/packages/rusaint/tests/application/course_grades.rs b/packages/rusaint/tests/application/course_grades.rs
index 9777345..a5e4399 100644
--- a/packages/rusaint/tests/application/course_grades.rs
+++ b/packages/rusaint/tests/application/course_grades.rs
@@ -1,13 +1,10 @@
-use rusaint::{
-    application::{
-        course_grades::{model::CourseType, CourseGradesApplication},
-        USaintClientBuilder,
-    },
-    model::SemesterType,
+use rusaint::application::{
+    course_grades::{model::CourseType, CourseGradesApplication},
+    USaintClientBuilder,
 };
 use serial_test::serial;
 
-use crate::get_session;
+use crate::{get_semester, get_session, get_year};
 
 #[tokio::test]
 #[serial]
@@ -67,7 +64,12 @@ async fn classes_with_detail() {
         .await
         .unwrap();
     let details = app
-        .classes(CourseType::Bachelor, "2022", SemesterType::Two, true)
+        .classes(
+            CourseType::Bachelor,
+            get_year().unwrap(),
+            get_semester().unwrap(),
+            true,
+        )
         .await
         .unwrap();
     println!("{:?}", details);
@@ -80,8 +82,8 @@ async fn classes_with_detail() {
     let detail = app
         .class_detail(
             CourseType::Bachelor,
-            "2022",
-            SemesterType::Two,
+            get_year().unwrap(),
+            get_semester().unwrap(),
             detail_code.code(),
         )
         .await
diff --git a/packages/rusaint/tests/application/personal_course_schedule.rs b/packages/rusaint/tests/application/personal_course_schedule.rs
index 9c98458..a422a36 100644
--- a/packages/rusaint/tests/application/personal_course_schedule.rs
+++ b/packages/rusaint/tests/application/personal_course_schedule.rs
@@ -1,14 +1,13 @@
+use crate::{get_semester, get_session, get_year};
+use rusaint::model::SemesterType;
 use rusaint::{
     application::{
         personal_course_schedule::PersonalCourseScheduleApplication, USaintClientBuilder,
     },
-    model::SemesterType,
     ApplicationError, RusaintError,
 };
 use serial_test::serial;
 
-use crate::get_session;
-
 #[tokio::test]
 #[serial]
 async fn schedule() {
@@ -18,7 +17,10 @@ async fn schedule() {
         .build_into::<PersonalCourseScheduleApplication>()
         .await
         .unwrap();
-    let info = app.schedule(2022, SemesterType::Two).await.unwrap();
+    let info = app
+        .schedule(get_year().unwrap(), get_semester().unwrap())
+        .await
+        .unwrap();
     println!("{:?}", info);
 }
 
@@ -31,7 +33,7 @@ async fn no_schedule() {
         .build_into::<PersonalCourseScheduleApplication>()
         .await
         .unwrap();
-    let info = app.schedule(2024, SemesterType::Two).await.unwrap_err();
+    let info = app.schedule(2017, SemesterType::Two).await.unwrap_err();
     assert!(matches!(
         info,
         RusaintError::ApplicationError(ApplicationError::NoScheduleInformation)
diff --git a/packages/rusaint/tests/tests.rs b/packages/rusaint/tests/tests.rs
index a15a70a..d2f12f2 100644
--- a/packages/rusaint/tests/tests.rs
+++ b/packages/rusaint/tests/tests.rs
@@ -2,11 +2,10 @@ use anyhow::{Error, Result};
 use dotenv::dotenv;
 use std::sync::{Arc, OnceLock};
 
-use rusaint::USaintSession;
-
-static SESSION: OnceLock<Arc<USaintSession>> = OnceLock::new();
+use rusaint::{model::SemesterType, USaintSession};
 
 pub async fn get_session() -> Result<Arc<USaintSession>> {
+    static SESSION: OnceLock<Arc<USaintSession>> = OnceLock::new();
     if let Some(session) = SESSION.get() {
         Ok(session.to_owned())
     } else {
@@ -22,6 +21,41 @@ pub async fn get_session() -> Result<Arc<USaintSession>> {
     }
 }
 
+pub fn get_year() -> Result<u32> {
+    static TARGET_YEAR: OnceLock<u32> = OnceLock::new();
+    if let Some(year) = TARGET_YEAR.get() {
+        Ok(*year)
+    } else {
+        let year = std::env::var("TARGET_YEAR")?.parse()?;
+        let _ = TARGET_YEAR.set(year);
+        TARGET_YEAR
+            .get()
+            .copied()
+            .ok_or(Error::msg("Year is not initsiated"))
+    }
+}
+
+pub fn get_semester() -> Result<SemesterType> {
+    static TARGET_SEMESTER: OnceLock<SemesterType> = OnceLock::new();
+    if let Some(semester) = TARGET_SEMESTER.get() {
+        Ok(*semester)
+    } else {
+        let semester = std::env::var("TARGET_SEMESTER")?;
+        let semester_type = match semester.to_uppercase().as_str() {
+            "1" | "ONE" => SemesterType::One,
+            "SUMMER" => SemesterType::Summer,
+            "2" | "TWO" => SemesterType::Two,
+            "WINTER" => SemesterType::Winter,
+            _ => return Err(Error::msg("Invalid semester")),
+        };
+        let _ = TARGET_SEMESTER.set(semester_type);
+        TARGET_SEMESTER
+            .get()
+            .copied()
+            .ok_or(Error::msg("Semester is not initsiated"))
+    }
+}
+
 mod application;
 #[cfg(test)]
 mod webdynpro;