perf: do not update baidu cookie and bing host when initializing (#467)

* perf: do not update baidu cookie when initializing

* perf: do not init EZBingRequest when initializing Bing service

* perf: do not update Bing host when initializing Bing service

Easydict/Feature/Service/Baidu/EZBaiduTranslate.m

@@ -41,10 +41,11 @@ @implementation EZBaiduTranslate
 
 - (instancetype)init {
     if (self = [super init]) {
-        // When debug, we should not call this method too much.
-#if !DEBUG
-        [self updateCookieAndToken];
-#endif
+        /**
+         Previously, in order to optimize the request experience, the cookie and token would be updated when initializing the service, [self updateCookieAndToken], but this would cause them to be frequently called under certain circumstances, so I removed it.
+         
+         FIX https://github.com/tisfeng/Easydict/issues/466
+         */
     }
     return self;
 }

Easydict/Feature/Service/Bing/EZBingRequest.m

@@ -41,14 +41,6 @@ @implementation EZBingRequest
 - (instancetype)init {
     if (self = [super init]) {
         _canRetryFetchHost = YES;
-
-        [self fetchBingHost:^{
-            [self fetchBingConfig:^{
-
-            } failure:^(NSError *error) {
-
-            }];
-        }];
     }
     return self;
 }

Easydict/Feature/Service/Bing/EZBingService.m

@@ -25,11 +25,18 @@ @implementation EZBingService
 - (instancetype)init {
     if (self = [super init]) {
         _canRetry = YES;
-        _request = [[EZBingRequest alloc] init];
+        NSLog(@"init Bing service");
     }
     return self;
 }
 
+- (EZBingRequest *)request {
+    if (!_request) {
+        _request = [[EZBingRequest alloc] init];
+    }
+    return _request;
+}
+
 #pragma mark - override
 
 - (EZQueryTextType)intelligentQueryTextType {