diff --git a/interfaces/common/src/sandbox_helper.cpp b/interfaces/common/src/sandbox_helper.cpp
index e15b6c1d7f9fe8c5f283112760aa1504aa7296e0..312029e791e829a398cf4742f724b4561d6d38ba 100644
--- a/interfaces/common/src/sandbox_helper.cpp
+++ b/interfaces/common/src/sandbox_helper.cpp
@@ -48,6 +48,9 @@ namespace {
     const string LOCAL = "local";
     const int ASSET_IN_BUCKET_NUM_MAX = 1000;
     const int ASSET_DIR_START_NUM = 16;
+    const int32_t DECODE_LEN = 2;
+    string deCodeInPutUri = "";
+    string deCodeOutPutUri = "";
 }
 
 struct MediaUriInfo {
@@ -87,23 +90,26 @@ string SandboxHelper::Encode(const string &uri)
 
 string SandboxHelper::Decode(const string &uri)
 {
+    if (uri == deCodeInPutUri) {
+        return deCodeOutPutUri;
+    }
     std::ostringstream outPutStream;
-    const int32_t encodeLen = 2;
     size_t index = 0;
     while (index < uri.length()) {
         if (uri[index] == '%') {
             int hex = 0;
-            std::istringstream inputStream(uri.substr(index + 1, encodeLen));
+            std::istringstream inputStream(uri.substr(index + 1, DECODE_LEN));
             inputStream >> std::hex >> hex;
             outPutStream << static_cast<char>(hex);
-            index += encodeLen + 1;
+            index += DECODE_LEN + 1;
         } else {
             outPutStream << uri[index];
             index++;
         }
     }
-
-    return outPutStream.str();
+    deCodeInPutUri = uri;
+    deCodeOutPutUri = outPutStream.str();
+    return deCodeOutPutUri;
 }
 
 static string GetLowerPath(string &lowerPathHead, const string &lowerPathTail,