修正pythonbf和javabf为pythonbe和javabe

data/package/job/java_backend.json

 {
   "type": "job",
   "status": 1,
-  "package": "javabf",
+  "package": "javabe",
   "package_name": "Java后端工程师",
   "package_id": "pkg-javabf-0f4961bb5a1049e9a2dbf0ccb0f88d65",
   "levels": [
@@ -24,7 +24,7 @@
       "recommends":[
         {
             "type": "job",
-            "name": "pythonbf",
+            "name": "pythonbe",
             "level": "01"
         },
         {
@@ -49,7 +49,7 @@
       "recommends":[
         {
             "type": "job",
-            "name": "pythonbf",
+            "name": "pythonbe",
             "level": "02"
         },
         {

data/package/job/python_backend.json

 {
   "type": "job",
   "status": 1,
-  "package": "pythonbf",
+  "package": "pythonbe",
   "package_name": "Python后端工程师",
   "levels": [
     {
@@ -22,7 +22,7 @@
       "recommends":[
           {
               "type": "job",
-              "name": "javabf",
+              "name": "javabe",
               "level": "01"
           },
           {
@@ -46,7 +46,7 @@
       "recommends":[
         {
             "type": "job",
-            "name": "javabf",
+            "name": "javabe",
             "level": "02"
         },
         {