环信iOS 编辑 warning

项目只使用环信在生成 dSYM 文件是出现大量 warnings 是什么原因？
while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: /var/folders/gw/zhrj2qjn03xfm9kjhlxg3yn40000gn/C/com.apple.DeveloperTools/7.1-7B91b/Xcode/SharedPrecompiledHeaders/EaseMobClientSDK-Prefix-cpilbnjjnvzhbrabqztdlnjaxemh/EaseMobClientSDK-Prefix.pch.pch: No such file or directory

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: /var/folders/gw/zhrj2qjn03xfm9kjhlxg3yn40000gn/C/com.apple.DeveloperTools/7.1-7B91b/Xcode/SharedPrecompiledHeaders/EaseMobClientSDK-Prefix-cpilbnjjnvzhbrabqztdlnjaxemh/EaseMobClientSDK-Prefix.pch.pch: No object file for requested architecture

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSString

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSArray

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSBundle

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSDictionary

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSUserDefaults

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSMutableDictionary

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSSet

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject

while processing /Users/rose/Desktop/ofashion/Client/projects/MStore/Pods/EaseMobSDK/EaseMobSDK/lib/libEaseMobClientSDKLite_x86_64.a(EaseMob.o):

warning: Could not resolve external type c:objc(cs)NSObject