Fix

+package com.example.demo;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * Created by jack on 2018/4/18.
+ */
+@RestController
+public class ShowCtrl {
+
+    @Autowired
+    ShowSer showSer;
+
+
+    @GetMapping
+    public void fixPhotoDir(@RequestParam String curDir) {
+        showSer.fixCurrentDir(curDir);
+    }
+}

+package com.example.demo;
+
+import org.springframework.stereotype.Service;
+
+/**
+ * Created by jack on 2018/4/18.
+ */
+@Service
+public class ShowSer {
+    private String currentDir;
+
+    public void fixCurrentDir(String currentDir) {
+        this.currentDir = currentDir;
+    }
+
+
+}