diff --git a/src/util_file.rs b/src/util_file.rs
index 6a1cad6..60c228c 100644
--- a/src/util_file.rs
+++ b/src/util_file.rs
@@ -83,7 +83,7 @@ pub fn find_parents_exists_file(file: &str) -> Option<PathBuf> {
         Err(_) => None,
         Ok(mut path) => loop {
             loop_count += 1;
-            if loop_count > 100 { panic!("Loop count more than 100!"); }
+            if loop_count > 1000 { panic!("Loop count more than 1000!"); }
             if path.join(file).is_file() {
                 return Some(path);
             }
@@ -100,7 +100,7 @@ pub fn find_parents_exists_dir(dir: &str) -> Option<PathBuf> {
         Err(_) => None,
         Ok(mut path) => loop {
             loop_count += 1;
-            if loop_count > 100 { panic!("Loop count more than 100!"); }
+            if loop_count > 1000 { panic!("Loop count more than 1000!"); }
             if path.join(dir).is_dir() {
                 return Some(path);
             }