支持添加额外的UserAgent

 *.xccheckout
 YohoExplorerDemo.xcscheme
+Breakpoints_v2.xcbkptlist

@@ -109,6 +109,15 @@
  */
 - (void)explorerDidDetectParameters:(NSDictionary * _Nonnull)params;
 
+/**
+ @brief 补充userAgent
+ 
+ @return 需要添加的UserAgent
+ 
+ @since 1.1.0
+ */
+- (NSString * _Nullable)extraUserAgent;
+
 #pragma mark Native
 /**
  @brief H5端触发Native事件

@@ -180,6 +180,18 @@ static float kprogressViewRadius = 2.0f;
     return _pointerValue;
 }
 
+- (NSString*)userAgent
+{
+    _userAgent = [super userAgent];
+    if ([self.delegate respondsToSelector:@selector(extraUserAgent)]) {
+        NSString *ua = [self.delegate extraUserAgent];
+        if (ua.length) {
+            return [NSString stringWithFormat:@"%@ %@", _userAgent, ua];
+        }
+    }
+    return _userAgent;
+}
+
 #pragma mark - Public
 - (instancetype)initWithUrl:(NSString *)url
 {

-<?xml version="1.0" encoding="UTF-8"?>
-<Bucket
-   type = "1"
-   version = "2.0">
-   <Breakpoints>
-      <BreakpointProxy
-         BreakpointExtensionID = "Xcode.Breakpoint.FileBreakpoint">
-         <BreakpointContent
-            shouldBeEnabled = "Yes"
-            ignoreCount = "0"
-            continueAfterRunningActions = "Yes"
-            filePath = "../YHExplorer/WebProgressView/YHWebViewProgressView.m"
-            timestampString = "460284588.269866"
-            startingColumnNumber = "9223372036854775807"
-            endingColumnNumber = "9223372036854775807"
-            startingLineNumber = "91"
-            endingLineNumber = "91"
-            landmarkName = "-setProgress:animated:"
-            landmarkType = "5">
-            <Actions>
-               <BreakpointActionProxy
-                  ActionExtensionID = "Xcode.BreakpointAction.DebuggerCommand">
-                  <ActionContent
-                     consoleCommand = "p progress">
-                  </ActionContent>
-               </BreakpointActionProxy>
-            </Actions>
-         </BreakpointContent>
-      </BreakpointProxy>
-   </Breakpoints>
-</Bucket>