diff --git a/LifeLog/LifeLog/HistoryObject.m b/LifeLog/LifeLog/HistoryObject.m
index ba70e36..a18876f 100644
--- a/LifeLog/LifeLog/HistoryObject.m
+++ b/LifeLog/LifeLog/HistoryObject.m
@@ -54,7 +54,8 @@
         NSDictionary * graph = [dict objectForKey:@"data_chart"];
         if([graph count] == 24) {
             for(int i = 0; i < 24; i++) {
-                [self.dataGraph addObject:[graph objectForKey:[NSString stringWithFormat:@"%d", i]]];
+                if(![graph isKindOfClass:[NSArray class]])
+                    [self.dataGraph addObject:[graph objectForKey:[NSString stringWithFormat:@"%d", i]]];
             }
         }
     }
diff --git a/LifeLog/LifeLog/HistoryViewController.m b/LifeLog/LifeLog/HistoryViewController.m
index a3e38f5..9fcc38b 100644
--- a/LifeLog/LifeLog/HistoryViewController.m
+++ b/LifeLog/LifeLog/HistoryViewController.m
@@ -114,7 +114,7 @@
 
 -(void) updateView {
     HistoryObject * obj = [_curHisArray objectAtIndex:self.viewCollectionMode.getCurrentIndex];
-    self.lblStep.text = [NSString stringWithFormat:@"%d step", obj.step];
+    self.lblStep.text = [NSString stringWithFormat:@"%d step", obj.target];
     self.lblCircleStep.text = self.lblStep.text;
     self.lblRemaining.text = [NSString stringWithFormat:@"%d step", obj.missing];
     self.lblCircleRemain.text = [NSString stringWithFormat:@"目標まであと\n%d stepです", obj.missing];
diff --git a/LifeLog/LifeLog/ServerAPI.m b/LifeLog/LifeLog/ServerAPI.m
index 1aaa8ff..297c631 100644
--- a/LifeLog/LifeLog/ServerAPI.m
+++ b/LifeLog/LifeLog/ServerAPI.m
@@ -408,7 +408,7 @@ NSURLSessionDataTask * searchTask;
 
 #pragma mark - History Screen Function
 - (void) requestHistory:(NSString *)token startDate:(NSDate *)startDate endDate:(NSDate *)endDate CompletionHandler:(void (^)(NSArray *, NSError *)) completion {
-    NSString *url = [kServerAddress stringByAppendingFormat:@"/api/history/%@/%@", [Utilities stringFromDate:startDate withFormat:@"YYYYMMdd" locale:@""], [Utilities stringFromDate:endDate withFormat:@"YYYYMMdd" locale:@""]];
+    NSString *url = [kServerAddress stringByAppendingFormat:@"api/history/%@/%@", [Utilities stringFromDate:startDate withFormat:@"YYYYMMdd" locale:@""], [Utilities stringFromDate:endDate withFormat:@"YYYYMMdd" locale:@""]];
     NSLog(@"requestHistory link %@", url);
     [self _request:url method:@"GET" token:token paras:nil completion:^(NSData *data, NSError *error) {
         
@@ -467,7 +467,7 @@ NSURLSessionDataTask * searchTask;
 }
 
 - (void) requestHistoryList:(NSString *)token startDate:(NSDate *)startDate endDate:(NSDate *)endDate CompletionHandler:(void (^)(NSArray *, NSError *)) completion {
-    NSString *url = [kServerAddress stringByAppendingFormat:@"/api/history/detail/%@/%@", [Utilities stringFromDate:startDate withFormat:@"YYYYMMdd" locale:@""], [Utilities stringFromDate:endDate withFormat:@"YYYYMMdd" locale:@""]];
+    NSString *url = [kServerAddress stringByAppendingFormat:@"api/history/detail/%@/%@", [Utilities stringFromDate:startDate withFormat:@"YYYYMMdd" locale:@""], [Utilities stringFromDate:endDate withFormat:@"YYYYMMdd" locale:@""]];
     NSLog(@"requestHistoryList link %@", url);
     [self _request:url method:@"GET" token:token paras:nil completion:^(NSData *data, NSError *error) {