update

Pod/Classes/PhobosUtil.m

@@ -381,17 +381,18 @@
 + (NSString *)getTelephonyInfo {
     CTTelephonyNetworkInfo *info = [[CTTelephonyNetworkInfo alloc] init];
     CTCarrier *carrier = [info subscriberCellularProvider];
-    NSString *mCarrier = [NSString stringWithFormat:@"%@",[carrier carrierName]];
-    
-    return mCarrier;
+    if (carrier) {
+        return [carrier carrierName];
+    }
+    return @"";
 }
 
 /**
  * 内存大小，单位：兆
  */
 + (NSString *)getTotalMemorySize {
-    double resultSize = [NSProcessInfo processInfo].physicalMemory/1024/1024;
-    return [NSString stringWithFormat:@"%f", resultSize];
+    unsigned long long resultSize = [NSProcessInfo processInfo].physicalMemory/1024/1024;
+    return [NSString stringWithFormat:@"%llu", resultSize];
 }
 
 /**