diff --git a/README.md b/README.md
index 12afeb6..90c3c38 100644
--- a/README.md
+++ b/README.md
@@ -10,13 +10,13 @@ ZNSTextAttachment enables NSTextAttachment to download images from remote URLs,
 ```
 File > Swift Packages > Add Package Dependency
 Add https://github.com/ZhgChgLi/ZNSTextAttachment.git
-Select "Up to Next Major" with "1.1.8"
+Select "Up to Next Major" with "1.1.9"
 ```
 or
 ```swift
 ...
 dependencies: [
-  .package(url: "https://github.com/ZhgChgLi/ZNSTextAttachment.git", from: "1.1.8"),
+  .package(url: "https://github.com/ZhgChgLi/ZNSTextAttachment.git", from: "1.1.9"),
 ]
 ...
 .target(
@@ -35,7 +35,7 @@ platform :ios, '12.0'
 use_frameworks!
 
 target 'MyApp' do
-  pod 'ZNSTextAttachment', '~> 1.1.8'
+  pod 'ZNSTextAttachment', '~> 1.1.9'
 end
 ```
 
diff --git a/Sources/ZNSTextAttachment/ZNSTextAttachment.swift b/Sources/ZNSTextAttachment/ZNSTextAttachment.swift
index 706f9df..91f3ac6 100644
--- a/Sources/ZNSTextAttachment/ZNSTextAttachment.swift
+++ b/Sources/ZNSTextAttachment/ZNSTextAttachment.swift
@@ -84,12 +84,12 @@ public class ZNSTextAttachment: NSTextAttachment {
                 let firstMatch = regex.firstMatch(in: imageURL.absoluteString, options: [], range: NSRange(location: 0, length: imageURL.absoluteString.count)),
                firstMatch.range(at: 1).location != NSNotFound,
                firstMatch.range(at: 2).location != NSNotFound,
-               let mimeTypeRange = Range(firstMatch.range(at: 1), in: imageURL.absoluteString),
+               let typeRange = Range(firstMatch.range(at: 1), in: imageURL.absoluteString),
                let base64StringRange = Range(firstMatch.range(at: 2), in: imageURL.absoluteString),
                let base64Data = Data(base64Encoded: String(imageURL.absoluteString[base64StringRange]), options: .ignoreUnknownCharacters) {
                 
-                let mimeType = String(imageURL.absoluteString[mimeTypeRange])
-                self.dataDownloaded(base64Data, mimeType: mimeType)
+                let type = String(imageURL.absoluteString[typeRange])
+                self.dataDownloaded(base64Data, mimeType: "image/"+type)
                 
             } else {
                 let urlSessionDataTask = URLSession.shared.dataTask(with: imageURL) { (data, response, error) in
diff --git a/scripts/ZNSTextAttachment.podspec b/scripts/ZNSTextAttachment.podspec
index 257857a..5fa0efe 100644
--- a/scripts/ZNSTextAttachment.podspec
+++ b/scripts/ZNSTextAttachment.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = "ZNSTextAttachment"
-  s.version          = "1.1.8"
+  s.version          = "1.1.9"
   s.summary          = "ZNSTextAttachment enables NSTextAttachment to download images from remote URLs."
   s.homepage         = "https://github.com/ZhgChgLi/ZNSTextAttachment"
   s.license          = { :type => "MIT", :file => "LICENSE" }