update docs

.gitignore

+# ---> Objective-C
+# Xcode
+#
+# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
+
+## Build generated
+build/
+DerivedData/
+
+## Various settings
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata/
+
+## Other
+*.moved-aside
+*.xccheckout
+*.xcscmblueprint
+
+## Obj-C/Swift specific
+*.hmap
+*.ipa
+*.dSYM.zip
+*.dSYM
+
+# CocoaPods
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
+#
+# Pods/
+#
+# Add this line if you want to avoid checking in source code from the Xcode workspace
+# *.xcworkspace
+
+# Carthage
+#
+# Add this line if you want to avoid checking in source code from Carthage dependencies.
+# Carthage/Checkouts
+
+Carthage/Build
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
+# screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/#source-control
+
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots/**/*.png
+fastlane/test_output
+
+# Code Injection
+#
+# After new code Injection tools there's a generated folder /iOSInjectionProject
+# https://github.com/johnno1962/injectionforxcode
+
+iOSInjectionProject/
+

AILinkBleSDKDemo.xcodeproj/project.pbxproj

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 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
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+			children = (
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+			name = Frameworks;
+			sourceTree = "<group>";
+		};
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+		};
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-				958B4DF8263C079500476BAE /* EightScaleConnectionViewController.m */,
-				958B4DF9263C079500476BAE /* ELEightScaleAlgorithmTool.h */,
 				958B4DFA263C079500476BAE /* HTBodyfat_SDK */,
-				958B4DFD263C079500476BAE /* ELEightScaleRecordModel.m */,
+				958B4E00263C079500476BAE /* EightScaleConnectionViewController.h */,
+				958B4DF8263C079500476BAE /* EightScaleConnectionViewController.m */,
 				958B4DFE263C079500476BAE /* EightScaleScanViewController.h */,
+				958B4DF7263C079500476BAE /* EightScaleScanViewController.m */,
+				958B4DF9263C079500476BAE /* ELEightScaleAlgorithmTool.h */,
 				958B4DFF263C079500476BAE /* ELEightScaleAlgorithmTool.m */,
-				958B4E00263C079500476BAE /* EightScaleConnectionViewController.h */,
+				958B4DF6263C079500476BAE /* ELEightScaleRecordModel.h */,
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-				958B4E04263C079500476BAE /* BabyScaleViewController.h */,
 				958B4E05263C079500476BAE /* BabyScaleConnectViewController.m */,
+				958B4E04263C079500476BAE /* BabyScaleViewController.h */,
+				958B4E02263C079500476BAE /* BabyScaleViewController.m */,
 			);
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+			path = 04_BabyScale;
 			sourceTree = "<group>";
 		};
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-				958B4E09263C079500476BAE /* OximeterScanViewController.h */,
 				958B4E0A263C079500476BAE /* OximeterConnectionViewController.m */,
+				958B4E09263C079500476BAE /* OximeterScanViewController.h */,
+				958B4E08263C079500476BAE /* OximeterScanViewController.m */,
 			);
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+			path = 16_Oximeter;
 			sourceTree = "<group>";
 		};
-		958B4E0C263C079500476BAE /* WifiBleBodyFatScale */ = {
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 				958B4E0F263C079500476BAE /* ELBfsWifiScanVC.m */,
 			);
-			path = WifiBleBodyFatScale;
+			path = 15_WifiBleBodyFatScale;
 			sourceTree = "<group>";
 		};
-		958B4E13263C079500476BAE /* Thermometer */ = {
+		958B4E13263C079500476BAE /* 09_Thermometer */ = {
 			isa = PBXGroup;
 			children = (
-				958B4E14263C079500476BAE /* ThermometerScanViewController.m */,
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-				958B4E16263C079500476BAE /* ThermometerScanViewController.h */,
 				958B4E17263C079500476BAE /* ThermometerConnectViewController.m */,
+				958B4E16263C079500476BAE /* ThermometerScanViewController.h */,
+				958B4E14263C079500476BAE /* ThermometerScanViewController.m */,
 			);
-			path = Thermometer;
+			path = 09_Thermometer;
 			sourceTree = "<group>";
 		};
-		958B4E18263C079500476BAE /* Forehead */ = {
+		958B4E18263C079500476BAE /* 08_Forehead */ = {
 			isa = PBXGroup;
 			children = (
+				958B4E1B263C079500476BAE /* ForeheadConnectViewController.h */,
 				958B4E19263C079500476BAE /* ForeheadConnectViewController.m */,
 				958B4E1A263C079500476BAE /* ForeheadScanViewController.h */,
-				958B4E1B263C079500476BAE /* ForeheadConnectViewController.h */,
 				958B4E1C263C079500476BAE /* ForeheadScanViewController.m */,
 			);
-			path = Forehead;
+			path = 08_Forehead;
 			sourceTree = "<group>";
 		};
-		958B4E1D263C079500476BAE /* WifiBleToothbrush */ = {
+		958B4E1D263C079500476BAE /* 14_WifiBleToothbrush */ = {
 			isa = PBXGroup;
 			children = (
-				958B4E1E263C079500476BAE /* ToothbrushScanViewController.m */,
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-				958B4E20263C079500476BAE /* ToothbrushScanViewController.h */,
 				958B4E21263C079500476BAE /* ToothbrushConnectionViewController.m */,
+				958B4E20263C079500476BAE /* ToothbrushScanViewController.h */,
+				958B4E1E263C079500476BAE /* ToothbrushScanViewController.m */,
 			);
-			path = WifiBleToothbrush;
+			path = 14_WifiBleToothbrush;
 			sourceTree = "<group>";
 		};
-		958B4E22263C079500476BAE /* WheelMonitor */ = {
+		958B4E22263C079500476BAE /* 10_WheelMonitor */ = {
 			isa = PBXGroup;
 			children = (
+				958B4E26263C079500476BAE /* WheelMonitorConnectViewController.h */,
 				958B4E23263C079500476BAE /* WheelMonitorConnectViewController.m */,
 				958B4E24263C079500476BAE /* WheelMonitorScanViewController.h */,
 				958B4E25263C079500476BAE /* WheelMonitorScanViewController.m */,
-				958B4E26263C079500476BAE /* WheelMonitorConnectViewController.h */,
 			);
-			path = WheelMonitor;
+			path = 10_WheelMonitor;
 			sourceTree = "<group>";
 		};
-		958B4E27263C079500476BAE /* RemoteControl */ = {
+		958B4E27263C079500476BAE /* 07_RemoteControl */ = {
 			isa = PBXGroup;
 			children = (
-				958B4E28263C079500476BAE /* RemoteControlScanViewController.h */,
 				958B4E29263C079500476BAE /* RemoteControlConnectViewController.h */,
 				958B4E2A263C079500476BAE /* RemoteControlConnectViewController.m */,
+				958B4E28263C079500476BAE /* RemoteControlScanViewController.h */,
 				958B4E2B263C079500476BAE /* RemoteControlScanViewController.m */,
 			);
-			path = RemoteControl;
+			path = 07_RemoteControl;
 			sourceTree = "<group>";
 		};
-		958B4E2C263C079500476BAE /* HeightGuage */ = {
+		958B4E2C263C079500476BAE /* 06_HeightGuage */ = {
 			isa = PBXGroup;
 			children = (
-				958B4E2D263C079500476BAE /* HeightGuageScanViewController.m */,
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-				958B4E2F263C079500476BAE /* HeightGuageScanViewController.h */,
 				958B4E30263C079500476BAE /* HeightGuageConnectViewController.m */,
+				958B4E2F263C079500476BAE /* HeightGuageScanViewController.h */,
+				958B4E2D263C079500476BAE /* HeightGuageScanViewController.m */,
 			);
-			path = HeightGuage;
+			path = 06_HeightGuage;
 			sourceTree = "<group>";
 		};
-		958B4E31263C079500476BAE /* BroadcastScale */ = {
+		958B4E31263C079500476BAE /* 12_BroadcastScale */ = {
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 			children = (
-				958B4E32263C079500476BAE /* BroadcastScaleViewController.m */,
 				958B4E33263C079500476BAE /* BroadcastScaleViewController.h */,
+				958B4E32263C079500476BAE /* BroadcastScaleViewController.m */,
 			);
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+			path = 12_BroadcastScale;
 			sourceTree = "<group>";
 		};
-		958B4E34263C079500476BAE /* BodyFatScale */ = {
+		958B4E34263C079500476BAE /* 11_BodyFatScale */ = {
 			isa = PBXGroup;
 			children = (
-				958B4E35263C079500476BAE /* BodyFatScaleScanViewController.m */,
+				958B4E38263C079500476BAE /* BodyFatScaleConnectViewController.h */,
 				958B4E36263C079500476BAE /* BodyFatScaleConnectViewController.m */,
 				958B4E37263C079500476BAE /* BodyFatScaleScanViewController.h */,
-				958B4E38263C079500476BAE /* BodyFatScaleConnectViewController.h */,
+				958B4E35263C079500476BAE /* BodyFatScaleScanViewController.m */,
 			);
-			path = BodyFatScale;
+			path = 11_BodyFatScale;
 			sourceTree = "<group>";
 		};
-		958B4E39263C079500476BAE /* BloodPressure */ = {
+		958B4E39263C079500476BAE /* 05_BloodPressure */ = {
 			isa = PBXGroup;
 			children = (
-				958B4E3A263C079500476BAE /* BloodScanViewController.h */,
+				958B4E3D263C079500476BAE /* BloodConnectViewController.h */,
 				958B4E3B263C079500476BAE /* BloodConnectViewController.m */,
+				958B4E3A263C079500476BAE /* BloodScanViewController.h */,
 				958B4E3C263C079500476BAE /* BloodScanViewController.m */,
-				958B4E3D263C079500476BAE /* BloodConnectViewController.h */,
 			);
-			path = BloodPressure;
+			path = 05_BloodPressure;
 			sourceTree = "<group>";
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-		958B4E3E263C079500476BAE /* BloodSugar */ = {
+		958B4E3E263C079500476BAE /* 17_BloodSugar */ = {
 			isa = PBXGroup;
 			children = (
 				958B4E3F263C079500476BAE /* BloodSugarConnectionViewController.h */,
 				958B4E42263C079500476BAE /* BloodSugarScanViewController.h */,
 				958B4E40263C079500476BAE /* BloodSugarScanViewController.m */,
 			);
-			path = BloodSugar;
+			path = 17_BloodSugar;
 			sourceTree = "<group>";
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 			isa = PBXGroup;
 			children = (
-				958B4E68263C08E700476BAE /* UIButton+WZAdd.h */,
+				958B4E6D263C08E700476BAE /* CABasicAnimation+ELAnimation.h */,
+				958B4E72263C08E700476BAE /* CABasicAnimation+ELAnimation.m */,
+				958B4E70263C08E700476BAE /* ELInputAlertView.h */,
 				958B4E69263C08E700476BAE /* ELInputAlertView.m */,
-				958B4E6A263C08E700476BAE /* UILabel+WZAdd.m */,
-				958B4E6B263C08E700476BAE /* UIView+Category.m */,
 				958B4E6C263C08E700476BAE /* ELSelectView.h */,
-				958B4E6D263C08E700476BAE /* CABasicAnimation+ELAnimation.h */,
+				958B4E73263C08E700476BAE /* ELSelectView.m */,
+				958B4E68263C08E700476BAE /* UIButton+WZAdd.h */,
 				958B4E6E263C08E700476BAE /* UIButton+WZAdd.m */,
 				958B4E6F263C08E700476BAE /* UILabel+WZAdd.h */,
-				958B4E70263C08E700476BAE /* ELInputAlertView.h */,
+				958B4E6A263C08E700476BAE /* UILabel+WZAdd.m */,
 				958B4E71263C08E700476BAE /* UIView+Category.h */,
-				958B4E72263C08E700476BAE /* CABasicAnimation+ELAnimation.m */,
-				958B4E73263C08E700476BAE /* ELSelectView.m */,
+				958B4E6B263C08E700476BAE /* UIView+Category.m */,
 			);
 			path = Tools;
 			sourceTree = "<group>";
 		958B4E9A263C08E800476BAE /* Inherit */ = {
 			isa = PBXGroup;
 			children = (
-				958B4E9B263C08E800476BAE /* SubBleManager.m */,
-				958B4E9C263C08E800476BAE /* InheritScanViewController.h */,
+				958B4EA0263C08E800476BAE /* InheritConnectViewController.h */,
 				958B4E9D263C08E800476BAE /* InheritConnectViewController.m */,
+				958B4E9C263C08E800476BAE /* InheritScanViewController.h */,
 				958B4E9E263C08E800476BAE /* InheritScanViewController.m */,
 				958B4E9F263C08E800476BAE /* SubBleManager.h */,
-				958B4EA0263C08E800476BAE /* InheritConnectViewController.h */,
+				958B4E9B263C08E800476BAE /* SubBleManager.m */,
 			);
 			path = Inherit;
 			sourceTree = "<group>";
 				E622E25D243F1CA5003C319D /* AILinkBleSDKDemo */,
 				E622E279243F1CA6003C319D /* AILinkBleSDKDemoUITests */,
 				E622E25C243F1CA5003C319D /* Products */,
+				788D913626A1849C0009489E /* Frameworks */,
 			);
 			sourceTree = "<group>";
 		};
 		E622E25D243F1CA5003C319D /* AILinkBleSDKDemo */ = {
 			isa = PBXGroup;
 			children = (
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-				958B4E01263C079500476BAE /* BabyScale */,
-				958B4E39263C079500476BAE /* BloodPressure */,
-				958B4E3E263C079500476BAE /* BloodSugar */,
-				958B4E34263C079500476BAE /* BodyFatScale */,
-				958B4E31263C079500476BAE /* BroadcastScale */,
-				958B4DF5263C079500476BAE /* EightScale */,
-				958B4E18263C079500476BAE /* Forehead */,
-				958B4E2C263C079500476BAE /* HeightGuage */,
-				958B4E06263C079500476BAE /* Oximeter */,
-				958B4E27263C079500476BAE /* RemoteControl */,
-				958B4E13263C079500476BAE /* Thermometer */,
-				958B4E22263C079500476BAE /* WheelMonitor */,
-				958B4E0C263C079500476BAE /* WifiBleBodyFatScale */,
-				958B4E1D263C079500476BAE /* WifiBleToothbrush */,
+				788D914026A2E5380009489E /* SDK */,
+				958B4E01263C079500476BAE /* 04_BabyScale */,
+				958B4E39263C079500476BAE /* 05_BloodPressure */,
+				958B4E2C263C079500476BAE /* 06_HeightGuage */,
+				958B4E27263C079500476BAE /* 07_RemoteControl */,
+				958B4E18263C079500476BAE /* 08_Forehead */,
+				958B4E13263C079500476BAE /* 09_Thermometer */,
+				958B4E22263C079500476BAE /* 10_WheelMonitor */,
+				958B4E34263C079500476BAE /* 11_BodyFatScale */,
+				958B4E31263C079500476BAE /* 12_BroadcastScale */,
+				958B4DF5263C079500476BAE /* 13_EightScale */,
+				958B4E1D263C079500476BAE /* 14_WifiBleToothbrush */,
+				958B4E0C263C079500476BAE /* 15_WifiBleBodyFatScale */,
+				958B4E06263C079500476BAE /* 16_Oximeter */,
+				958B4E3E263C079500476BAE /* 17_BloodSugar */,
 				958B4E74263C08E700476BAE /* Others */,
 				958B4E67263C08E700476BAE /* Tools */,
 				E622E26A243F1CA6003C319D /* Assets.xcassets */,
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 202011111426;
+				CURRENT_PROJECT_VERSION = 202107171815;
 				DEVELOPMENT_TEAM = YEU77XR292;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(PROJECT_DIR)/AILinkBleSDKDemo",
+					"$(PROJECT_DIR)/AILinkBleSDKDemo/SDK",
 				);
 				HEADER_SEARCH_PATHS = "";
 				INFOPLIST_FILE = AILinkBleSDKDemo/Info.plist;
 				LIBRARY_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(PROJECT_DIR)/AILinkBleSDKDemo/EightScale/HTBodyfat_SDK",
+					"$(PROJECT_DIR)/AILinkBleSDKDemo/13_EightScale/HTBodyfat_SDK",
 				);
-				MARKETING_VERSION = 1.1.1;
+				MARKETING_VERSION = 1.1.2;
 				PRODUCT_BUNDLE_IDENTIFIER = com.pingwang.AILinkBleSDKDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				TARGETED_DEVICE_FAMILY = "1,2";
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 202011111426;
+				CURRENT_PROJECT_VERSION = 202107171815;
 				DEVELOPMENT_TEAM = YEU77XR292;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(PROJECT_DIR)/AILinkBleSDKDemo",
+					"$(PROJECT_DIR)/AILinkBleSDKDemo/SDK",
 				);
 				HEADER_SEARCH_PATHS = "";
 				INFOPLIST_FILE = AILinkBleSDKDemo/Info.plist;
 				LIBRARY_SEARCH_PATHS = (
 					"$(inherited)",
 					"$(PROJECT_DIR)/AILinkBleSDKDemo/EightScale/HTBodyfat_SDK",
+					"$(PROJECT_DIR)/AILinkBleSDKDemo/13_EightScale/HTBodyfat_SDK",
 				);
-				MARKETING_VERSION = 1.1.1;
+				MARKETING_VERSION = 1.1.2;
 				PRODUCT_BUNDLE_IDENTIFIER = com.pingwang.AILinkBleSDKDemo;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				TARGETED_DEVICE_FAMILY = "1,2";