修复翻译问题

lib/data/services/ble_manager.dart

@@ -562,7 +562,8 @@ class BleManager extends GetxService {
         'volcanoAppId': '2316081933',
         'volcanoToken': 'mcJTh6OelBqU_L78lgGd77Nyrc_-5-En',
         'serverurl': serverurl,
-        'usertoken': jsonString
+        'usertoken': jsonString,
+        'supportedLanguages': ['zh-CN'],
       };
 
       // 记录日志（不记录敏感信息）

local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/AzureAsrHelper.swift

@@ -272,7 +272,15 @@ public class AzureAsrHelper: NSObject {
             
             // 创建识别器
             if isAutoDetectLanguage {
-                let autoDetectConfig = try SPXAutoDetectSourceLanguageConfiguration(supportedLanguages)
+                // 使用更精确的语言配置方式
+                var sourceLanguageConfigs: [SPXSourceLanguageConfiguration] = []
+                for language in supportedLanguages {
+                    if let config = try? SPXSourceLanguageConfiguration(language) {
+                        sourceLanguageConfigs.append(config)
+                    }
+                }
+                
+                let autoDetectConfig = try SPXAutoDetectSourceLanguageConfiguration(sourceLanguageConfigurations: sourceLanguageConfigs)
                 recognizer = try SPXSpeechRecognizer(
                     speechConfiguration: speechConfig!,
                     autoDetectSourceLanguageConfiguration: autoDetectConfig,
@@ -336,10 +344,31 @@ public class AzureAsrHelper: NSObject {
     recognizer.addRecognizingEventHandler { [weak self] (_, event) in
         guard let self = self else { return }
         let result = event.result
-        let detectedLanguage = self.detectLanguage(from: result)
+        print("识别中文本: \(result.text)")
-        print("识别中事件: \(detectedLanguage)")
+        // 优化：只处理非空结果
-        DispatchQueue.main.async {
+        if !(result.text?.isEmpty ?? true) {
-            callback.onRecognizing(result.text ?? "", detectedLanguage)
+            let detectedLanguage: String
+            if self.isAutoDetectLanguage {
+                do {
+                    let langResult = try SPXAutoDetectSourceLanguageResult(result)
+                    let rawLanguage = langResult.language
+                    print("[DEBUG] 原始检测语言: \(rawLanguage ?? "nil"), 文本: \(result.text ?? "nil"), 支持的语言: \(self.supportedLanguages)")
+                    
+                    // 应用启发式语言检测纠正
+                    detectedLanguage = self.correctLanguageDetection(rawLanguage: rawLanguage ?? "", text: result.text ?? "")
+                    print("[DEBUG] 纠正后语言: \(detectedLanguage)")
+                } catch {
+                    print("[DEBUG] 语言检测异常: \(error.localizedDescription)")
+                    detectedLanguage = ""
+                }
+            } else {
+                detectedLanguage = self.currentLanguage
+                print("[DEBUG] 使用当前语言: \(detectedLanguage)")
+            }
+            print("识别中事件: \(detectedLanguage)")
+            DispatchQueue.main.async {
+                callback.onRecognizing(result.text ?? "", detectedLanguage)
+            }
         }
     }
 
@@ -347,8 +376,27 @@ public class AzureAsrHelper: NSObject {
     recognizer.addRecognizedEventHandler { [weak self] (_, event) in
         guard let self = self else { return }
         let result = event.result
-        if result.reason == .recognizedSpeech {
+        print("识别完成文本: \(result.text)")
-            let detectedLanguage = self.detectLanguage(from: result)
+        if result.reason == .recognizedSpeech && !(result.text?.isEmpty ?? true) {
+            let detectedLanguage: String
+            if self.isAutoDetectLanguage {
+                do {
+                    let langResult = try SPXAutoDetectSourceLanguageResult(result)
+                    let rawLanguage = langResult.language
+                    print("[DEBUG] 识别完成 - 原始检测语言: \(rawLanguage ?? "nil"), 文本: \(result.text ?? "nil"), 支持的语言: \(self.supportedLanguages)")
+                    
+                    // 应用启发式语言检测纠正
+                    let correctedLanguage = self.correctLanguageDetection(rawLanguage: rawLanguage ?? "", text: result.text ?? "")
+                    detectedLanguage = correctedLanguage.isEmpty ? (self.supportedLanguages.first ?? self.currentLanguage) : correctedLanguage
+                    print("[DEBUG] 识别完成 - 纠正后语言: \(detectedLanguage)")
+                } catch {
+                    print("[DEBUG] 识别完成 - 语言检测异常: \(error.localizedDescription)")
+                    detectedLanguage = self.supportedLanguages.first ?? self.currentLanguage
+                }
+            } else {
+                detectedLanguage = self.currentLanguage
+                print("[DEBUG] 识别完成 - 使用当前语言: \(detectedLanguage)")
+            }
             print("识别完成事件: \(detectedLanguage)")
             DispatchQueue.main.async {
                 callback.onResult(result.text ?? "", detectedLanguage)
@@ -387,38 +435,6 @@ public class AzureAsrHelper: NSObject {
         return true
     }
 
-// 提取的辅助方法
-private func detectLanguage(from result: SPXSpeechRecognitionResult) -> String {
-    if isAutoDetectLanguage {
-          let langResult = try SPXAutoDetectSourceLanguageResult(result)
-         return langResult.language ?? ""
-    } else {
-        return currentLanguage
-    }
-}
-    /**
-     * 获取检测到的语言
-     */
-    private func getDetectedLanguage(from result: SPXSpeechRecognitionResult) -> String {
-        if !isAutoDetectLanguage {
-            return ""
-        }
-        
-        // 尝试从属性中获取语言
-        if let properties = result.properties,
-           let language = properties.getPropertyByName("SpeechServiceResponse_RecognitionLanguage") {
-            return language
-        }
-        
-        // 尝试另一种方式获取语言
-        do {
-            let langResult = try SPXAutoDetectSourceLanguageResult(result)
-            print("获取检测到的语言")
-            return langResult.language ?? ""
-        } catch {
-            return ""
-        }
-    }
    
     /**
      * 禁用蓝牙音频功能，切换回正常音频模式
@@ -853,6 +869,57 @@ private func detectLanguage(from result: SPXSpeechRecognitionResult) -> String {
             }
         }
     }
+    
+    /**
+     * 启发式语言检测纠正方法
+     * 基于文本内容特征来纠正Azure语音服务的语言检测结果
+     */
+    private func correctLanguageDetection(rawLanguage: String, text: String) -> String {
+        // 如果原始检测为空，返回空
+        if rawLanguage.isEmpty || text.isEmpty {
+            return rawLanguage
+        }
+        
+        let trimmedText = text.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
+        
+        // 英文特征检测
+        let englishPattern = "^[a-z\\s\\.,!?;:'-]+$"
+        let englishRegex = try? NSRegularExpression(pattern: englishPattern, options: .caseInsensitive)
+        let englishMatches = englishRegex?.numberOfMatches(in: trimmedText, options: [], range: NSRange(location: 0, length: trimmedText.count)) ?? 0
+        
+        // 中文特征检测
+        let chinesePattern = "[\\u4e00-\\u9fff]"
+        let chineseRegex = try? NSRegularExpression(pattern: chinesePattern, options: [])
+        let chineseMatches = chineseRegex?.numberOfMatches(in: trimmedText, options: [], range: NSRange(location: 0, length: trimmedText.count)) ?? 0
+        
+        // 常见英文单词列表
+        let commonEnglishWords = ["hello", "hi", "please", "thank", "you", "yes", "no", "good", "morning", "afternoon", "evening", "night", "how", "are", "what", "where", "when", "why", "who", "can", "could", "would", "should", "will", "the", "and", "or", "but", "if", "then", "this", "that", "these", "those"]
+        
+        let hasCommonEnglishWords = commonEnglishWords.contains { word in
+            trimmedText.contains(word)
+        }
+        
+        print("[DEBUG] 语言纠正分析 - 文本: '\(trimmedText)', 英文匹配: \(englishMatches > 0), 中文字符: \(chineseMatches), 常见英文词: \(hasCommonEnglishWords), 原始语言: \(rawLanguage)")
+        
+        // 纠正逻辑
+        if rawLanguage == "zh-CN" {
+            // 如果Azure检测为中文，但文本明显是英文特征
+            if (englishMatches > 0 && chineseMatches == 0) || hasCommonEnglishWords {
+                print("[DEBUG] 纠正: \(rawLanguage) -> en-US (检测到英文特征)")
+                return "en-US"
+            }
+        } else if rawLanguage == "en-US" {
+            // 如果Azure检测为英文，但包含中文字符
+            if chineseMatches > 0 {
+                print("[DEBUG] 纠正: \(rawLanguage) -> zh-CN (检测到中文字符)")
+                return "zh-CN"
+            }
+        }
+        
+        // 如果没有明确的纠正理由，保持原始检测结果
+        return rawLanguage
+    }
+    
     // MARK: - 回调函数
     /**
      * 连续识别回调接口
@@ -899,4 +966,4 @@ private func detectLanguage(from result: SPXSpeechRecognitionResult) -> String {
          */
         func onError(_ error: String)
     }
-} 
+}