统一修改版本号，之前的版本号cocoapods不识别

@@ -16,7 +16,7 @@ Pod::Spec.new do |s|
   #
 
   s.name         = "AVSDK"
-  s.version      = "1.8.4_BETA"
+  s.version      = "1.8.4-beta"
   s.summary      = "腾讯云-互动直播"
 
   # This description is used to generate tags and improve search results.
@@ -141,7 +141,7 @@ Pod::Spec.new do |s|
 
   # s.xcconfig = { "HEADER_SEARCH_PATHS" => "$(SDKROOT)/usr/include/libxml2" }
   # s.dependency "JSONKit", "~> 1.4"
-  s.dependency "IMSDK", "2.5.0_BETA"
+  s.dependency "IMSDK", "2.5.0-beta"
 
 
 end

@@ -16,7 +16,7 @@ Pod::Spec.new do |s|
   #
 
   s.name         = "IMSDK"
-  s.version      = "2.5.0_BETA"
+  s.version      = "2.5.0-beta"
   s.summary      = "腾讯云-云通信"
 
   # This description is used to generate tags and improve search results.