diff --git a/Package.swift b/Package.swift
index e7c5cc37..6a4708ed 100644
--- a/Package.swift
+++ b/Package.swift
@@ -81,7 +81,7 @@ var package = Package(
             path: "Source/TestFake"),
         .target(
             name: "SabyNetwork",
-            dependencies: ["SabyConcurrency", "SabyJSON", "SabySafe", "SabyTime"],
+            dependencies: ["SabyConcurrency", "SabyJSON", "SabyTime"],
             path: "Source/Network"),
         .target(
             name: "SabyNumeric",
diff --git a/Source/AppleFetcher/Implement/ScreenFetcher.swift b/Source/AppleFetcher/Implement/ScreenFetcher.swift
index a3100c32..23d6499f 100644
--- a/Source/AppleFetcher/Implement/ScreenFetcher.swift
+++ b/Source/AppleFetcher/Implement/ScreenFetcher.swift
@@ -16,20 +16,22 @@ public final class ScreenFetcher: Fetcher {
     public typealias Value = Promise<Screen, Error>
     
     public init() {}
-
+    
     public func fetch() -> Promise<Screen, Error> {
-        return Promise.all(
+        return Promise.tryAll(
             Promise<CGSize, Error>.resolved(fetchSize()),
             Promise<CGFloat, Error>.resolved(fetchScale()),
             fetchOrientation()
         )
         .then { size, scale, orientation in
-            Screen(
+            let screen = Screen(
                 width: size.width,
                 height: size.height,
                 scale: scale,
                 orientation: orientation.isLandscape ? "landscape": "portrait"
             )
+            
+            return screen
         }
     }
 }
diff --git a/Source/AppleLogger/Data/LoggerSetting.swift b/Source/AppleLogger/Data/LoggerSetting.swift
index f843db11..882c0960 100644
--- a/Source/AppleLogger/Data/LoggerSetting.swift
+++ b/Source/AppleLogger/Data/LoggerSetting.swift
@@ -14,6 +14,9 @@ public struct LoggerSetting {
     /// A variable indicating logger paginate log or not. Because of `os_log`'s 1024 length limit.
     public var isPaginateLogEnabled: Bool = false
     
+    /// A variable indicating logger use legacy log system or not.
+    public var isLegacyLogEnabled: Bool = false
+    
     /// A variable used for displaying `subsystem` value in console
     public let subsystem: String
     
diff --git a/Source/AppleLogger/Implement/LogService.swift b/Source/AppleLogger/Implement/LogService.swift
index cbcd6e58..61c03e2b 100644
--- a/Source/AppleLogger/Implement/LogService.swift
+++ b/Source/AppleLogger/Implement/LogService.swift
@@ -18,20 +18,26 @@ extension LogService {
         _ message: String,
         _ printBlock: (String) -> Void
     ) {
-        if setting.isPaginateLogEnabled, message.count > LoggerConstant.paginateSize {
-            let logs = LoggerConstant.paginatedLog(message)
-            let id = arc4random() % 1000000000
-            
-            logs.enumerated().forEach { (index, log) in
-                printBlock(
-                    "\(log)"
-                    + "\nlog={page=\(index + 1)/\(logs.count), id=\(id)}"
-                )
-            }
+        let header = setting.isLegacyLogEnabled
+            ? "[\(setting.subsystem)][\(setting.category)]\n"
+            : ""
+        
+        guard setting.isPaginateLogEnabled, message.count > LoggerConstant.paginateSize
+        else {
+            printBlock(header + message)
             return
         }
         
-        printBlock(message)
+        let logs = LoggerConstant.paginatedLog(message)
+        let id = arc4random() % 1000000000
+        
+        logs
+            .enumerated()
+            .map { (index, log) in
+                let footer = "\nlog={page=\(index + 1)/\(logs.count), id=\(id)}"
+                return header + log + footer
+            }
+            .forEach(printBlock)
     }
 }
 
diff --git a/Source/ApplePreference/Implement/FileValuePreference.swift b/Source/ApplePreference/Implement/FileValuePreference.swift
index b9ed942c..02f6f5e8 100644
--- a/Source/ApplePreference/Implement/FileValuePreference.swift
+++ b/Source/ApplePreference/Implement/FileValuePreference.swift
@@ -6,7 +6,6 @@
 //
 
 import Foundation
-import SabySafe
 import SabyConcurrency
 import SabyJSON
 
diff --git a/Source/AppleStorage/Implement/CoreDataArrayStorage.swift b/Source/AppleStorage/Implement/CoreDataArrayStorage.swift
index b3c6758b..2973bc28 100644
--- a/Source/AppleStorage/Implement/CoreDataArrayStorage.swift
+++ b/Source/AppleStorage/Implement/CoreDataArrayStorage.swift
@@ -8,7 +8,6 @@
 import CoreData
 
 import SabyConcurrency
-import SabySafe
 import SabySize
 import SabyJSON
 
diff --git a/Source/AppleStorage/Implement/FileValueStorage.swift b/Source/AppleStorage/Implement/FileValueStorage.swift
index 8b5eea89..67face3e 100644
--- a/Source/AppleStorage/Implement/FileValueStorage.swift
+++ b/Source/AppleStorage/Implement/FileValueStorage.swift
@@ -6,7 +6,6 @@
 //
 
 import Foundation
-import SabySafe
 import SabyConcurrency
 import SabyJSON
 
diff --git a/Source/Network/Implement/Client/JSONClient.swift b/Source/Network/Implement/Client/JSONClient.swift
index 673c463a..2874cfbb 100644
--- a/Source/Network/Implement/Client/JSONClient.swift
+++ b/Source/Network/Implement/Client/JSONClient.swift
@@ -8,7 +8,6 @@
 import Foundation
 
 import SabyConcurrency
-import SabySafe
 import SabyJSON
 import SabyTime