diff --git a/src/hash相关/q387_字符串中的第一个唯一字符/Solution.py b/src/hash相关/q387_字符串中的第一个唯一字符/Solution.py
new file mode 100644
index 0000000..6e76db3
--- /dev/null
+++ b/src/hash相关/q387_字符串中的第一个唯一字符/Solution.py
@@ -0,0 +1,15 @@
+class Solution:
+    def firstUniqChar(self, s: str) -> int:
+        if len(s)==0:
+            return -1
+        res = {}
+        for each in s:
+            if each in res:
+                res[each]+=1
+            else:
+                res[each] = 1
+        for i,each in enumerate(s):
+            if res[each] ==1:
+                return i
+        return -1
+