청연 - 청소연구소, 청연케어 Downloads & Revenue청연 - 청소연구소, 청연케어 · App Store & Google Play
청연 - 청소연구소, 청연케어 by Life lab Inc. is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
📦iOSUpdated to version 5.15.1📦iOSUpdated to version 5.15.0🆕AndroidFirst spotted by AppInsider🆕iOSFirst spotted by AppInsider📦AndroidVersion 5.14.0🆕iOSReleased on the App Store🆕AndroidReleased on Google Play
Full timeline · 8 events
- 📦청연 - 청소연구소, 청연케어 updated to version 5.15.1iOSTaking in the opinions of customers, we always do our best to give you better service.
· Bug fixes. - 📦청연 - 청소연구소, 청연케어 updated to version 5.15.0iOSTaking in the opinions of customers, we always do our best to give you better service.
· Bug fixes. - 🆕청연 - 청소연구소, 청연케어 first spotted by AppInsiderAndroidSouth Korea
- 🆕청연 - 청소연구소, 청연케어 first spotted by AppInsideriOS#52 in Top Free · Lifestyle · South Korea
- 📦청연 - 청소연구소, 청연케어 version 5.14.0iOSTaking in the opinions of customers, we always do our best to give you better service.
· Bug fixes. - 📦청연 - 청소연구소, 청연케어 version 5.14.0Android- 사무실 청소도 원하는 매니저를 지정해 예약할 수 있어요.
- 가사 청소에 아이 장난감 정리 옵션이 새롭게 추가됐어요.
- 앱 사용성을 개선하고, 소소한 버그를 청소했어요. - 🆕청연 - 청소연구소, 청연케어 released on the App StoreiOS
- 🆕청연 - 청소연구소, 청연케어 released on Google PlayAndroid
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.8 ★
58k ratings, both stores
Measured
Best rank now
#144
App Store · 
Lifestyle Free
Lifestyle FreeMeasured
New ratings a week
37
▲ +13% vs the 2 weeks before
Measured
App Store
App details
App ID
1215174815
Publisher
Life Lab Inc.
Publisher country
South Korea
On the store since
Mar 2017
9 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Content rating
4+
Languages
2
EN KO
Size
69 MB
Google Play
App details
App ID
kr.co.cleaninglab.user
Publisher
Life Lab Inc.
Publisher country
South Korea
Content rating
Everyone
청연 - 청소연구소, 청연케어 downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | – | 1M+ |
| Google Play | – | 1M+ Measured |
| Total | – | 1M+ Confidence |
How this is calculated
App Store: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where 청연 - 청소연구소, 청연케어's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | #144 Lifestyle Free | 1 of 30 countries | – | – |
| Google Play | #179 Lifestyle Free | 1 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Review momentum
ⓘ How we measure thisNew ratings a week
37
▲ +13% vs the 2 weeks before
Lifetime rating
4.8★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
75/100
faster than 88% of Lifestyle apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.8 ★ | 27k |
| Google Play | 4.8 ★ | 30k 25 written reviews |
| Both stores | 4.8 ★ weighted by ratings | 58k |
About 청연 - 청소연구소, 청연케어
Cheongyeon, for every moment you need support in daily life
From cleaning to care, your all-in-one life-care platform
▶Cleaning Standards You Can Trust – CleaningLab
Premium cleaning services tailored to your lifestyle
* All managers complete a 5-step training program to deliver systematic and reliable service.
* Cleaning is performed based on 8.8 million accumulated home-cleaning cases and a fully standardized cleaning manual.
* Choose the service that fits your life: one-time cleaning, regular cleaning, studio/one-room cleaning, bathroom-focused cleaning, and more.
* You can also gift a cleaning service to someone special.
* From home cleaning to moving-in/out cleaning, air-conditioner cleaning, washing machine cleaning, and office cleaning—CleaningLab has you covered.
▶ Cheongyeon Care – Trusted Support for Your Parents
Warm, reliable care services for elderly parents living alone
* Care managers visit your parents to check meals, well-being, and overall daily condition.
* Start with ease—our care service is available from as little as 2 hours.
* After each visit, you can review detailed updates through the Care Note, giving you full peace of mind.
▶ Professional Cleaning by Certified Experts
Perfect for moving, relocating, or deep-clean moments
* For moving-in/out cleaning, choose from secure reservations, price comparison options, and room-specific estimates tailored to your home layout.
* Air-conditioner and washing machine cleaning are both performed by certified specialists who disassemble the unit and deep-clean the interior for safe, hygienic, and reliable results.
▶ Thorough and Transparent Office Cleaning
Smart cleaning solutions for business environments
* No vague on-site estimates—check exact pricing directly in the app.
* Choose the plan that fits your needs: 1-hour cleaning, one-time cleaning, or scheduled regular cleaning.
▶ PlusShop – Your Home Lifestyle Store
Everything your home needs, curated with care
* Discover essential household products at reasonable prices.
* Earn Shop Mileage automatically when you use our home-cleaning services.
■ App Permissions & Purpose (Optional)
* Camera / Photos (Optional): Attach photos when writing reviews or contacting support
* Microphone (Optional): Attach videos when contacting support
* App Tracking (Optional): Use of marketing identifiers
* Notifications (Optional): Receive updates on matching progress and service alerts
※ You can use the app without granting optional permissions.
▶ Official Channels
* Website: https://chyeon.com
* Customer Support: Cheongyeon App > More > Contact Us
* (Mon–Sat 08:00–18:00, closed on Sundays and public holidays)
* Address:
* LIFECARE Co., Ltd.
* C-1002, Pangyo Digital Center,
* 242 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea
From cleaning to care, your all-in-one life-care platform
▶Cleaning Standards You Can Trust – CleaningLab
Premium cleaning services tailored to your lifestyle
* All managers complete a 5-step training program to deliver systematic and reliable service.
* Cleaning is performed based on 8.8 million accumulated home-cleaning cases and a fully standardized cleaning manual.
* Choose the service that fits your life: one-time cleaning, regular cleaning, studio/one-room cleaning, bathroom-focused cleaning, and more.
* You can also gift a cleaning service to someone special.
* From home cleaning to moving-in/out cleaning, air-conditioner cleaning, washing machine cleaning, and office cleaning—CleaningLab has you covered.
▶ Cheongyeon Care – Trusted Support for Your Parents
Warm, reliable care services for elderly parents living alone
* Care managers visit your parents to check meals, well-being, and overall daily condition.
* Start with ease—our care service is available from as little as 2 hours.
* After each visit, you can review detailed updates through the Care Note, giving you full peace of mind.
▶ Professional Cleaning by Certified Experts
Perfect for moving, relocating, or deep-clean moments
* For moving-in/out cleaning, choose from secure reservations, price comparison options, and room-specific estimates tailored to your home layout.
* Air-conditioner and washing machine cleaning are both performed by certified specialists who disassemble the unit and deep-clean the interior for safe, hygienic, and reliable results.
▶ Thorough and Transparent Office Cleaning
Smart cleaning solutions for business environments
* No vague on-site estimates—check exact pricing directly in the app.
* Choose the plan that fits your needs: 1-hour cleaning, one-time cleaning, or scheduled regular cleaning.
▶ PlusShop – Your Home Lifestyle Store
Everything your home needs, curated with care
* Discover essential household products at reasonable prices.
* Earn Shop Mileage automatically when you use our home-cleaning services.
■ App Permissions & Purpose (Optional)
* Camera / Photos (Optional): Attach photos when writing reviews or contacting support
* Microphone (Optional): Attach videos when contacting support
* App Tracking (Optional): Use of marketing identifiers
* Notifications (Optional): Receive updates on matching progress and service alerts
※ You can use the app without granting optional permissions.
▶ Official Channels
* Website: https://chyeon.com
* Customer Support: Cheongyeon App > More > Contact Us
* (Mon–Sat 08:00–18:00, closed on Sundays and public holidays)
* Address:
* LIFECARE Co., Ltd.
* C-1002, Pangyo Digital Center,
* 242 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea
청연 - 청소연구소, 청연케어 App Store
청연 - 청소연구소, 청연케어 is #144 in Lifestyle Free in South Korea and charting in 1 of 30 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperLife lab Inc.
CategoryLifestyle
PriceFree
Released
Rating★ 4.8 (27k)
Version5.15.1
Age rating4+
First seen by us 25 Sep 2026
25 Sep 2026Installs (est.)1M+ worldwide
Rating
4.8 ★
27k ratings
Measured
Best rank now
#144
Lifestyle FreeMeasured
New ratings a week
37
▲ +13% vs the 2 weeks before
Measured
청연 - 청소연구소, 청연케어 on the App Store
App details
App ID
1215174815
Publisher
Life Lab Inc.
Publisher country
South Korea
On the store since
Mar 2017
9 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Content rating
4+
Languages
2
EN KO
Size
69 MB
청연 - 청소연구소, 청연케어 downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where 청연 - 청소연구소, 청연케어's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | LifestyleFree | #144 |
Apps near 청연 - 청소연구소, 청연케어 on the chart
Lifestyle Free, around #144.
Ratings
App Store, worldwide.
Rating
4.8 ★
27k ratings
Measured
Ratings
27k
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
37
▲ +13% vs the 2 weeks before
Lifetime rating
4.8★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
75/100
faster than 88% of Lifestyle apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
About 청연 - 청소연구소, 청연케어
Cheongyeon, for every moment you need support in daily life
From cleaning to care, your all-in-one life-care platform
▶Cleaning Standards You Can Trust – CleaningLab
Premium cleaning services tailored to your lifestyle
* All managers complete a 5-step training program to deliver systematic and reliable service.
* Cleaning is performed based on 8.8 million accumulated home-cleaning cases and a fully standardized cleaning manual.
* Choose the service that fits your life: one-time cleaning, regular cleaning, studio/one-room cleaning, bathroom-focused cleaning, and more.
* You can also gift a cleaning service to someone special.
* From home cleaning to moving-in/out cleaning, air-conditioner cleaning, washing machine cleaning, and office cleaning—CleaningLab has you covered.
▶ Cheongyeon Care – Trusted Support for Your Parents
Warm, reliable care services for elderly parents living alone
* Care managers visit your parents to check meals, well-being, and overall daily condition.
* Start with ease—our care service is available from as little as 2 hours.
* After each visit, you can review detailed updates through the Care Note, giving you full peace of mind.
▶ Professional Cleaning by Certified Experts
Perfect for moving, relocating, or deep-clean moments
* For moving-in/out cleaning, choose from secure reservations, price comparison options, and room-specific estimates tailored to your home layout.
* Air-conditioner and washing machine cleaning are both performed by certified specialists who disassemble the unit and deep-clean the interior for safe, hygienic, and reliable results.
▶ Thorough and Transparent Office Cleaning
Smart cleaning solutions for business environments
* No vague on-site estimates—check exact pricing directly in the app.
* Choose the plan that fits your needs: 1-hour cleaning, one-time cleaning, or scheduled regular cleaning.
▶ PlusShop – Your Home Lifestyle Store
Everything your home needs, curated with care
* Discover essential household products at reasonable prices.
* Earn Shop Mileage automatically when you use our home-cleaning services.
■ App Permissions & Purpose (Optional)
* Camera / Photos (Optional): Attach photos when writing reviews or contacting support
* Microphone (Optional): Attach videos when contacting support
* App Tracking (Optional): Use of marketing identifiers
* Notifications (Optional): Receive updates on matching progress and service alerts
※ You can use the app without granting optional permissions.
▶ Official Channels
* Website: https://chyeon.com
* Customer Support: Cheongyeon App > More > Contact Us
* (Mon–Sat 08:00–18:00, closed on Sundays and public holidays)
* Address:
* LIFECARE Co., Ltd.
* C-1002, Pangyo Digital Center,
* 242 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea
From cleaning to care, your all-in-one life-care platform
▶Cleaning Standards You Can Trust – CleaningLab
Premium cleaning services tailored to your lifestyle
* All managers complete a 5-step training program to deliver systematic and reliable service.
* Cleaning is performed based on 8.8 million accumulated home-cleaning cases and a fully standardized cleaning manual.
* Choose the service that fits your life: one-time cleaning, regular cleaning, studio/one-room cleaning, bathroom-focused cleaning, and more.
* You can also gift a cleaning service to someone special.
* From home cleaning to moving-in/out cleaning, air-conditioner cleaning, washing machine cleaning, and office cleaning—CleaningLab has you covered.
▶ Cheongyeon Care – Trusted Support for Your Parents
Warm, reliable care services for elderly parents living alone
* Care managers visit your parents to check meals, well-being, and overall daily condition.
* Start with ease—our care service is available from as little as 2 hours.
* After each visit, you can review detailed updates through the Care Note, giving you full peace of mind.
▶ Professional Cleaning by Certified Experts
Perfect for moving, relocating, or deep-clean moments
* For moving-in/out cleaning, choose from secure reservations, price comparison options, and room-specific estimates tailored to your home layout.
* Air-conditioner and washing machine cleaning are both performed by certified specialists who disassemble the unit and deep-clean the interior for safe, hygienic, and reliable results.
▶ Thorough and Transparent Office Cleaning
Smart cleaning solutions for business environments
* No vague on-site estimates—check exact pricing directly in the app.
* Choose the plan that fits your needs: 1-hour cleaning, one-time cleaning, or scheduled regular cleaning.
▶ PlusShop – Your Home Lifestyle Store
Everything your home needs, curated with care
* Discover essential household products at reasonable prices.
* Earn Shop Mileage automatically when you use our home-cleaning services.
■ App Permissions & Purpose (Optional)
* Camera / Photos (Optional): Attach photos when writing reviews or contacting support
* Microphone (Optional): Attach videos when contacting support
* App Tracking (Optional): Use of marketing identifiers
* Notifications (Optional): Receive updates on matching progress and service alerts
※ You can use the app without granting optional permissions.
▶ Official Channels
* Website: https://chyeon.com
* Customer Support: Cheongyeon App > More > Contact Us
* (Mon–Sat 08:00–18:00, closed on Sundays and public holidays)
* Address:
* LIFECARE Co., Ltd.
* C-1002, Pangyo Digital Center,
* 242 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do, Korea
Latest updates
5.15.1
Taking in the opinions of customers, we always do our best to give you better service.
· Bug fixes.
5.15.0
Taking in the opinions of customers, we always do our best to give you better service.
· Bug fixes.
5.14.0
Taking in the opinions of customers, we always do our best to give you better service.
· Bug fixes.
More from Life lab Inc.
청연 - 청소연구소, 청연케어 Android
청연 - 청소연구소, 청연케어 is #179 in Lifestyle Free on Google Play in South Korea and charting in 1 of 23 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperCheongyeon
CategoryLifestyle
PriceFree
Released
Installs1M+
Rating★ 4.8 (30k)
Updated
Content ratingEveryone
Rating
4.8 ★
30k ratings
Measured
Best rank now
#179
Lifestyle FreeMeasured
청연 - 청소연구소, 청연케어 on Google Play
App details
App ID
kr.co.cleaninglab.user
Publisher
Life Lab Inc.
Publisher country
South Korea
Content rating
Everyone
청연 - 청소연구소, 청연케어 downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where 청연 - 청소연구소, 청연케어's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | LifestyleFree | #179 |
Apps near 청연 - 청소연구소, 청연케어 on the chart
Lifestyle Free, around #179.
Ratings
Google Play, worldwide.
Rating
4.8 ★
30k ratings
Measured
Ratings
30k
Measured
Written reviews
25
Measured
About 청연 - 청소연구소, 청연케어
When you need help with your daily life, Cheongyeon
From cleaning to care, a life care platform
▶ Cleaning Lab, the standard in cleaning
- Managers who have completed five levels of cleaning training provide systematic services.
- Cleaning is carried out using a standardized manual based on 8.8 million accumulated house cleanings.
- Enjoy personalized services tailored to your lifestyle, including one-time cleanings, regular cleanings, studio apartment cleaning, and bathroom cleaning.
- You can even gift cleaning to someone special on a special day.
- Cleaning Lab offers everything from housekeeping, move-in/move-out cleaning, air conditioner cleaning, washing machine cleaning, and even office cleaning!
▶ Trusted Cheongyeon Care for Worried Parents
- A care manager will visit your parents living alone to check on their meals, well-being, and overall health.
- This is a daily care service that starts with a minimum of two hours.
- You can check on your parents' condition with a care note for peace of mind.
▶ Professional cleaning created by cleaning experts
- When you need move-in/move-in cleaning, we offer a variety of booking options, including secure reservations and quote comparisons. - Trust our certified cleaning lab with reliable services for air conditioner and washing machine cleaning.
:Forward_Arrow: Thorough and meticulous office cleaning
- Check accurate costs directly on the app, without the hassle of in-person visits.
- 1-hour cleaning, one-time cleaning, and regular cleaning options allow you to choose the cleaning service you need.
▶ Plus Shop for your household goods
- Find everything you need for your home at reasonable prices.
- Earn shop mileage points when you receive a house cleaning service.
■ Permissions and Purposes for Using the Cheongyeon App
- Camera, Album (Optional): Attach photos when writing reviews or using the customer support center
- Microphone (Optional): Attach videos when using the customer support center
- App Tracking (Optional): Use of marketing identifiers
- Notifications (Optional): Notify you of service updates, such as matchmaking progress.
※ You can still use the service without consenting to optional access permissions.
■ Website: https://chyeon.com
■ Customer Center: Cheongyeon App > More > Contact Us
(Open Monday-Saturday, 8:00 AM - 6:00 PM, excluding Sundays and public holidays)
Life Research Institute Co., Ltd.
Room 1002, Building C, Pangyo Digital Center, 242 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do
From cleaning to care, a life care platform
▶ Cleaning Lab, the standard in cleaning
- Managers who have completed five levels of cleaning training provide systematic services.
- Cleaning is carried out using a standardized manual based on 8.8 million accumulated house cleanings.
- Enjoy personalized services tailored to your lifestyle, including one-time cleanings, regular cleanings, studio apartment cleaning, and bathroom cleaning.
- You can even gift cleaning to someone special on a special day.
- Cleaning Lab offers everything from housekeeping, move-in/move-out cleaning, air conditioner cleaning, washing machine cleaning, and even office cleaning!
▶ Trusted Cheongyeon Care for Worried Parents
- A care manager will visit your parents living alone to check on their meals, well-being, and overall health.
- This is a daily care service that starts with a minimum of two hours.
- You can check on your parents' condition with a care note for peace of mind.
▶ Professional cleaning created by cleaning experts
- When you need move-in/move-in cleaning, we offer a variety of booking options, including secure reservations and quote comparisons. - Trust our certified cleaning lab with reliable services for air conditioner and washing machine cleaning.
:Forward_Arrow: Thorough and meticulous office cleaning
- Check accurate costs directly on the app, without the hassle of in-person visits.
- 1-hour cleaning, one-time cleaning, and regular cleaning options allow you to choose the cleaning service you need.
▶ Plus Shop for your household goods
- Find everything you need for your home at reasonable prices.
- Earn shop mileage points when you receive a house cleaning service.
■ Permissions and Purposes for Using the Cheongyeon App
- Camera, Album (Optional): Attach photos when writing reviews or using the customer support center
- Microphone (Optional): Attach videos when using the customer support center
- App Tracking (Optional): Use of marketing identifiers
- Notifications (Optional): Notify you of service updates, such as matchmaking progress.
※ You can still use the service without consenting to optional access permissions.
■ Website: https://chyeon.com
■ Customer Center: Cheongyeon App > More > Contact Us
(Open Monday-Saturday, 8:00 AM - 6:00 PM, excluding Sundays and public holidays)
Life Research Institute Co., Ltd.
Room 1002, Building C, Pangyo Digital Center, 242 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do
What's new in 5.14.0
- 사무실 청소도 원하는 매니저를 지정해 예약할 수 있어요.
- 가사 청소에 아이 장난감 정리 옵션이 새롭게 추가됐어요.
- 앱 사용성을 개선하고, 소소한 버그를 청소했어요.
- 가사 청소에 아이 장난감 정리 옵션이 새롭게 추가됐어요.
- 앱 사용성을 개선하고, 소소한 버그를 청소했어요.