diff --git a/src/signal_association/coinmarketcap.rs b/src/signal_association/coinmarketcap.rs
index a526750..a1b9950 100644
--- a/src/signal_association/coinmarketcap.rs
+++ b/src/signal_association/coinmarketcap.rs
@@ -162,7 +162,7 @@ pub async fn market_cap_index() -> Result<(), Box<dyn std::error::Error + Send +
             Ok(T) => {
                 text = T.text().await?;
                 v = serde_json::from_str(text.as_str()).unwrap();
-                
+
                 if v.as_object().is_none() {
                     return Err("Err")?;
                 }
@@ -170,7 +170,7 @@ pub async fn market_cap_index() -> Result<(), Box<dyn std::error::Error + Send +
                 if v.as_object().unwrap().get("data").is_none() {
                     return Err("Err")?;
                 }
-                
+
                 into_vec = v
                     .as_object()
                     .unwrap()
@@ -465,15 +465,15 @@ pub async fn market_cap_index() -> Result<(), Box<dyn std::error::Error + Send +
                     let elem = driver.find_element(By::Tag("pre")).await?;
                     let text = elem.text().await?;
                     v = serde_json::from_str(text.as_str()).unwrap();
-                    
+
                     if v.as_object().is_none() {
                         return Err("Err")?;
                     }
-    
+
                     if v.as_object().unwrap().get("data").is_none() {
                         return Err("Err")?;
                     }
-                    
+
                     into_vec = v
                         .as_object()
                         .unwrap()