diff --git a/mock/utils.js b/mock/utils.js
index 9eb4c78..41eb494 100644
--- a/mock/utils.js
+++ b/mock/utils.js
@@ -2,20 +2,22 @@
  * @param {string} url
  * @returns {Object}
  */
-function param2Obj(url) {
-  const search = url.split('?')[1]
+export function param2Obj(url) {
+  const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
   if (!search) {
     return {}
   }
-  return JSON.parse(
-    '{"' +
-      decodeURIComponent(search)
-        .replace(/"/g, '\\"')
-        .replace(/&/g, '","')
-        .replace(/=/g, '":"')
-        .replace(/\+/g, ' ') +
-      '"}'
-  )
+  const obj = {}
+  const searchArr = search.split('&')
+  searchArr.forEach(v => {
+    const index = v.indexOf('=')
+    if (index !== -1) {
+      const name = v.substring(0, index)
+      const val = v.substring(index + 1, v.length)
+      obj[name] = val
+    }
+  })
+  return obj
 }
 
 module.exports = {
diff --git a/src/utils/index.js b/src/utils/index.js
index 37ae434..4830c04 100644
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -99,17 +99,19 @@ export function formatTime(time, option) {
  * @returns {Object}
  */
 export function param2Obj(url) {
-  const search = url.split('?')[1]
+  const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
   if (!search) {
     return {}
   }
-  return JSON.parse(
-    '{"' +
-      decodeURIComponent(search)
-        .replace(/"/g, '\\"')
-        .replace(/&/g, '","')
-        .replace(/=/g, '":"')
-        .replace(/\+/g, ' ') +
-      '"}'
-  )
+  const obj = {}
+  const searchArr = search.split('&')
+  searchArr.forEach(v => {
+    const index = v.indexOf('=')
+    if (index !== -1) {
+      const name = v.substring(0, index)
+      const val = v.substring(index + 1, v.length)
+      obj[name] = val
+    }
+  })
+  return obj
 }
diff --git a/tests/unit/utils/param2Obj.spec.js b/tests/unit/utils/param2Obj.spec.js
new file mode 100644
index 0000000..f54c80c
--- /dev/null
+++ b/tests/unit/utils/param2Obj.spec.js
@@ -0,0 +1,21 @@
+/**
+ * @param {string} url
+ * @returns {Object}
+ */
+export function param2Obj(url) {
+  const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
+  if (!search) {
+    return {}
+  }
+  const obj = {}
+  const searchArr = search.split('&')
+  searchArr.forEach(v => {
+    const index = v.indexOf('=')
+    if (index !== -1) {
+      const name = v.substring(0, index)
+      const val = v.substring(index + 1, v.length)
+      obj[name] = val
+    }
+  })
+  return obj
+}