diff --git a/Easydict/Feature/Service/Apple/EZAppleService.m b/Easydict/Feature/Service/Apple/EZAppleService.m
index fdbc032da..2bae7aceb 100644
--- a/Easydict/Feature/Service/Apple/EZAppleService.m
+++ b/Easydict/Feature/Service/Apple/EZAppleService.m
@@ -581,11 +581,10 @@ - (EZLanguage)appleDetectTextLanguage:(NSString *)text printLog:(BOOL)logFlag {
     NSDictionary<NLLanguage, NSNumber *> *languageProbabilityDict = [recognizer languageHypothesesWithMaximum:5];
     NLLanguage dominantLanguage = recognizer.dominantLanguage;
     
-    // !!!: Numbers will be return empty dict @{}: 729
+    // !!!: languageProbabilityDict will be an empty dict @{} when text is Numbers, such as 729
     if (languageProbabilityDict.count == 0) {
-        EZLanguage firstLanguage = EZConfiguration.shared.firstLanguage;
-        dominantLanguage = [self appleLanguageFromLanguageEnum:firstLanguage];
-        languageProbabilityDict = @{dominantLanguage : @(0)};
+        dominantLanguage = [self detectUnkownText:text];
+        languageProbabilityDict = @{ dominantLanguage: @(0) };
     }
     
     CFAbsoluteTime endTime = CFAbsoluteTimeGetCurrent();
@@ -599,6 +598,19 @@ - (EZLanguage)appleDetectTextLanguage:(NSString *)text printLog:(BOOL)logFlag {
     return languageProbabilityDict;
 }
 
+- (NLLanguage)detectUnkownText:(NSString *)text {
+    NLLanguage language = NLLanguageEnglish;
+    // 729
+    if ([text isNumbers]) {
+        EZLanguage firstLanguage = EZConfiguration.shared.firstLanguage;
+        language = [self appleLanguageFromLanguageEnum:firstLanguage];
+    }
+    
+    // 𝙘𝙝𝙚𝙖𝙥
+    
+    return language;
+}
+
 // designatedLanguages is supportLanguagesDictionary remove some languages
 - (NSArray<NLLanguage> *)designatedLanguages {
     NSArray<NLLanguage> *supportLanguages = [[self appleLanguagesDictionary] allValues];
diff --git a/Easydict/Feature/Utility/EZCategory/NSString/NSString+EZUtils.m b/Easydict/Feature/Utility/EZCategory/NSString/NSString+EZUtils.m
index 1235aa5d4..b8ad3672a 100644
--- a/Easydict/Feature/Utility/EZCategory/NSString/NSString+EZUtils.m
+++ b/Easydict/Feature/Utility/EZCategory/NSString/NSString+EZUtils.m
@@ -225,6 +225,13 @@ - (BOOL)isEnglishWordWithLanguage:(EZLanguage)language {
     return isEnglishWord;
 }
 
+- (NLLanguage)detectText {
+    NLTagger *tagger = [[NLTagger alloc] initWithTagSchemes:@[NLTagSchemeLanguage]];
+    tagger.string = self;
+    NLLanguage language = [tagger dominantLanguage];
+    return language;
+}
+
 - (BOOL)isEnglishWord {
     NSString *text = [self tryToRemoveQuotes];
     if (text.length > EZEnglishWordMaxLength) {