diff --git a/homework/12125.c b/homework/12125.c
index a746ade..6f2e944 100644
--- a/homework/12125.c
+++ b/homework/12125.c
@@ -2,7 +2,7 @@
 #include <stdio.h>
 
 struct zb {
-    int x, y;
+    float x, y;
 } a, b;
 
 float dis(struct zb a, struct zb b) {
@@ -10,12 +10,7 @@ float dis(struct zb a, struct zb b) {
 }
 
 int main() {
-    scanf("%d%d%d%d", &a.x, &a.y, &b.x, &b.y);
-    // printf("%d%d%d%d", a.x, a.y, b.x, b.y);
-    if(a.x == 1 && a.y == 0 && b.x == 0 && b.y == 0){
-        printf("1.000000");
-        // 绷不住了，输出什么都不对，只能这样了
-    }
-    else printf("%f", dis(a, b));
+    scanf("%f%f%f%f", &a.x, &a.y, &b.x, &b.y);
+    printf("%f", dis(a, b));
     return 0;
 }
\ No newline at end of file