diff --git a/interfaces/innerkits/native/file_share/src/file_share.cpp b/interfaces/innerkits/native/file_share/src/file_share.cpp
index 3f26a933de29c9c4e4c7ffdd8e58d02d09644d89..5dd2008f3aa8cc61b2f255bbde9a0d464e3a1dba 100644
--- a/interfaces/innerkits/native/file_share/src/file_share.cpp
+++ b/interfaces/innerkits/native/file_share/src/file_share.cpp
@@ -252,9 +252,16 @@ static bool CheckIsMountPoint(const string &path)
         return false;
     }
 
+    string encodePath = path;
+    size_t pos = encodePath.find(" ");
+    while (pos != string::npos) {
+        encodePath.replace(pos, 1, "\\040");
+        pos = encodePath.find(" ", pos + 1);
+    }
+
     string tmpLine;
     while (std::getline(inputStream, tmpLine)) {
-        if (tmpLine.find(path) != std::string::npos) {
+        if (tmpLine.find(encodePath) != std::string::npos) {
             inputStream.close();
             return true;
         }