diff --git a/app.js b/app.js
index 877ef99..849701b 100644
--- a/app.js
+++ b/app.js
@@ -88,6 +88,11 @@ app.use(function (req, res, next) {
 });
 
 
+const utils = require('utils/utils');
+app.use( function( req, res, next ) {
+    req = utils.findQueryString(req);
+    next();
+});
 
 
 // get BE api configs
diff --git a/controllers/mongo-db/mongoConnect.js b/controllers/mongo-db/mongoConnect.js
index 2544b89..3a0170e 100644
--- a/controllers/mongo-db/mongoConnect.js
+++ b/controllers/mongo-db/mongoConnect.js
@@ -51,7 +51,6 @@ function mongoReq(req, query, collection){
             });
         });
     });
-    
 }
 
 
diff --git a/controllers/mongo-db/query.js b/controllers/mongo-db/query.js
index 83c75a5..de45e5a 100644
--- a/controllers/mongo-db/query.js
+++ b/controllers/mongo-db/query.js
@@ -1,12 +1,22 @@
 let express = require('express');
 let router = express.Router();
 let connection = require("./mongoConnect.js")
-
+var parseFilter = require('ldapjs').parseFilter;
+let utils = require('../../utils/utils')
 
 router.get('/',async function (req, res) {
-    var query = Object.assign(req.params, req.query);
-    var result = await connection.reqMongo(req, query)
-    res.status(200).json(result);
+
+    var filter = parseFilter(req.query.filter)
+
+    // var objectData = Object.assign(req.query,req.params);
+    // var filter = utils.getUpdateFilter(objectData);
+
+    var query = await utils.getQuery(filter);
+    console.log(query)
+
+    // var query = Object.assign(req.params, req.query);
+    var result = await connection.reqMongo(req, query, 'config')
+    res.status(200).send(result);
 });
 
 router.post('/', (req, res) => {
diff --git a/package-lock.json b/package-lock.json
index c352d1e..09616cf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -88,6 +88,20 @@
       "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
       "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
     },
+    "backoff": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/backoff/-/backoff-2.5.0.tgz",
+      "integrity": "sha1-9hbtqdPktmuMp/ynn2lXIsX44m8=",
+      "requires": {
+        "precond": "0.2.3"
+      }
+    },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "optional": true
+    },
     "bcrypt-pbkdf": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
@@ -154,11 +168,32 @@
         "hoek": "2.16.3"
       }
     },
+    "brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "optional": true,
+      "requires": {
+        "balanced-match": "1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
     "bson": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.0.tgz",
       "integrity": "sha512-9Aeai9TacfNtWXOYarkFJRW2CWo+dRon+fuLZYJmvLV3+MiUp0bEI6IAZfXEIg7/Pl/7IWlLaDnhzTsD81etQA=="
     },
+    "bunyan": {
+      "version": "1.8.12",
+      "resolved": "https://registry.npmjs.org/bunyan/-/bunyan-1.8.12.tgz",
+      "integrity": "sha1-8VDw9nSKvdcq6uhPBEA74u8RN5c=",
+      "requires": {
+        "dtrace-provider": "0.8.7",
+        "moment": "2.22.2",
+        "mv": "2.1.1",
+        "safe-json-stringify": "1.2.0"
+      }
+    },
     "bytes": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
@@ -281,6 +316,12 @@
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.19.0.tgz",
       "integrity": "sha512-6tvAOO+D6OENvRAh524Dh9jcfKTYDQAqvqezbCW82xj5X0pSrcpxtvRKHLG0yBY6SD7PSDrJaj+0AiOcKVd1Xg=="
     },
+    "concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "optional": true
+    },
     "connect-flash": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/connect-flash/-/connect-flash-0.1.1.tgz",
@@ -435,6 +476,15 @@
       "resolved": "https://registry.npmjs.org/double-ended-queue/-/double-ended-queue-2.1.0-0.tgz",
       "integrity": "sha1-ED01J/0xUo9AGIEwyEHv3XgmTlw="
     },
+    "dtrace-provider": {
+      "version": "0.8.7",
+      "resolved": "https://registry.npmjs.org/dtrace-provider/-/dtrace-provider-0.8.7.tgz",
+      "integrity": "sha1-3JObTT4GIM/gwc2APQ0tftBP/QQ=",
+      "optional": true,
+      "requires": {
+        "nan": "2.11.1"
+      }
+    },
     "ecc-jsbn": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
@@ -689,6 +739,19 @@
         }
       }
     },
+    "glob": {
+      "version": "6.0.4",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-6.0.4.tgz",
+      "integrity": "sha1-DwiGD2oVUSey+t1PnOJLGqtuTSI=",
+      "optional": true,
+      "requires": {
+        "inflight": "1.0.6",
+        "inherits": "2.0.3",
+        "minimatch": "3.0.4",
+        "once": "1.4.0",
+        "path-is-absolute": "1.0.1"
+      }
+    },
     "har-validator": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-2.0.6.tgz",
@@ -777,6 +840,16 @@
         "pope": "1.0.5"
       }
     },
+    "inflight": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "optional": true,
+      "requires": {
+        "once": "1.4.0",
+        "wrappy": "1.0.2"
+      }
+    },
     "inherits": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
@@ -898,6 +971,50 @@
       "resolved": "https://registry.npmjs.org/lazy-cache/-/lazy-cache-1.0.4.tgz",
       "integrity": "sha1-odePw6UEdMuAhF07O24dpJpEbo4="
     },
+    "ldap-filter": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/ldap-filter/-/ldap-filter-0.2.2.tgz",
+      "integrity": "sha1-8rhCvguG2jNSeYUFsx68rlkNd9A=",
+      "requires": {
+        "assert-plus": "0.1.5"
+      },
+      "dependencies": {
+        "assert-plus": {
+          "version": "0.1.5",
+          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-0.1.5.tgz",
+          "integrity": "sha1-7nQAlBMALYTOxyGcasgRgS5yMWA="
+        }
+      }
+    },
+    "ldapjs": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/ldapjs/-/ldapjs-1.0.2.tgz",
+      "integrity": "sha1-VE/3Ayt7g8aPBwEyjZKXqmlDQPk=",
+      "requires": {
+        "asn1": "0.2.3",
+        "assert-plus": "1.0.0",
+        "backoff": "2.5.0",
+        "bunyan": "1.8.12",
+        "dashdash": "1.14.1",
+        "dtrace-provider": "0.8.7",
+        "ldap-filter": "0.2.2",
+        "once": "1.4.0",
+        "vasync": "1.6.4",
+        "verror": "1.10.0"
+      },
+      "dependencies": {
+        "asn1": {
+          "version": "0.2.3",
+          "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.3.tgz",
+          "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y="
+        },
+        "assert-plus": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
+        }
+      }
+    },
     "lodash": {
       "version": "4.17.11",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
@@ -998,6 +1115,15 @@
         "mime-db": "1.36.0"
       }
     },
+    "minimatch": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "optional": true,
+      "requires": {
+        "brace-expansion": "1.1.11"
+      }
+    },
     "minimist": {
       "version": "0.0.8",
       "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
@@ -1041,6 +1167,29 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
+    "mv": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/mv/-/mv-2.1.1.tgz",
+      "integrity": "sha1-rmzg1vbV4KT32JN5jQPB6pVZtqI=",
+      "optional": true,
+      "requires": {
+        "mkdirp": "0.5.1",
+        "ncp": "2.0.0",
+        "rimraf": "2.4.5"
+      }
+    },
+    "nan": {
+      "version": "2.11.1",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.11.1.tgz",
+      "integrity": "sha512-iji6k87OSXa0CcrLl9z+ZiYSuR2o+c0bGuNmXdrhTQTakxytAFsC56SArGYoiHlJlFoHSnvmhpceZJaXkVuOtA==",
+      "optional": true
+    },
+    "ncp": {
+      "version": "2.0.0",
+      "resolved": "http://registry.npmjs.org/ncp/-/ncp-2.0.0.tgz",
+      "integrity": "sha1-GVoh1sRuNh0vsSgbo4uR6d9727M=",
+      "optional": true
+    },
     "negotiator": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz",
@@ -1074,6 +1223,14 @@
       "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.0.1.tgz",
       "integrity": "sha1-ko9dD0cNSTQmUepnlLCFfBAGk/c="
     },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "requires": {
+        "wrappy": "1.0.2"
+      }
+    },
     "one-time": {
       "version": "0.0.4",
       "resolved": "https://registry.npmjs.org/one-time/-/one-time-0.0.4.tgz",
@@ -1166,6 +1323,12 @@
       "resolved": "https://registry.npmjs.org/passport-strategy/-/passport-strategy-1.0.0.tgz",
       "integrity": "sha1-tVOaqPwiWj0a0XlHbd8ja0QPUuQ="
     },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "optional": true
+    },
     "path-to-regexp": {
       "version": "0.1.7",
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
@@ -1199,6 +1362,11 @@
       "resolved": "https://registry.npmjs.org/pope/-/pope-1.0.5.tgz",
       "integrity": "sha512-53FgeyiX79LOvZvviqFSLFT3otSRIpPv4uTDRscoWaJlr1LWCaTB+ouhvCouj08Ag28pM18FZv9Y2+wmimILAA=="
     },
+    "precond": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/precond/-/precond-0.2.3.tgz",
+      "integrity": "sha1-qpWRvKokkj8eD0hJ0kD0fvwQdaw="
+    },
     "process-nextick-args": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
@@ -1378,11 +1546,26 @@
         "align-text": "0.1.4"
       }
     },
+    "rimraf": {
+      "version": "2.4.5",
+      "resolved": "http://registry.npmjs.org/rimraf/-/rimraf-2.4.5.tgz",
+      "integrity": "sha1-7nEM5dk6j9uFb7Xqj/Di11k0sto=",
+      "optional": true,
+      "requires": {
+        "glob": "6.0.4"
+      }
+    },
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
       "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
+    "safe-json-stringify": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/safe-json-stringify/-/safe-json-stringify-1.2.0.tgz",
+      "integrity": "sha512-gH8eh2nZudPQO6TytOvbxnuhYBOvDBBLW52tz5q6X58lJcd/tkmqFR+5Z9adS8aJtURSXWThWy/xJtJwixErvg==",
+      "optional": true
+    },
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -1661,6 +1844,29 @@
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
+    "vasync": {
+      "version": "1.6.4",
+      "resolved": "https://registry.npmjs.org/vasync/-/vasync-1.6.4.tgz",
+      "integrity": "sha1-3+k2Fq0OeugBszKp2Iv8XNyOHR8=",
+      "requires": {
+        "verror": "1.6.0"
+      },
+      "dependencies": {
+        "extsprintf": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.2.0.tgz",
+          "integrity": "sha1-WtlGwi9bMrp/jNdCZxHG6KP8JSk="
+        },
+        "verror": {
+          "version": "1.6.0",
+          "resolved": "https://registry.npmjs.org/verror/-/verror-1.6.0.tgz",
+          "integrity": "sha1-fROyex+swuLakEBetepuW90lLqU=",
+          "requires": {
+            "extsprintf": "1.2.0"
+          }
+        }
+      }
+    },
     "verror": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
@@ -1721,6 +1927,11 @@
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
       "integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8="
     },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+    },
     "xml-crypto": {
       "version": "0.10.1",
       "resolved": "https://registry.npmjs.org/xml-crypto/-/xml-crypto-0.10.1.tgz",
diff --git a/package.json b/package.json
index 7d27e7c..170a68a 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
     "express-request-id": "^1.4.1",
     "express-session": "^1.15.6",
     "indicative": "^3.0.6",
+    "ldapjs": "^1.0.2",
     "log4js": "^3.0.6",
     "moment": "^2.22.2",
     "mongodb": "^3.1.8",
diff --git a/utils/utils.js b/utils/utils.js
new file mode 100644
index 0000000..32ef64a
--- /dev/null
+++ b/utils/utils.js
@@ -0,0 +1,174 @@
+
+
+utils = {};
+
+
+utils.findQueryString = function(req)
+{
+    var keywords = ["filter","offset","orderby","limit","fields"];
+
+    var baseUrl = decodeURIComponent(req.url);
+
+    if(baseUrl && baseUrl.indexOf("filter=(") != -1)
+    {
+        baseUrl = "&"+baseUrl.split("?")[1];
+
+        var indexList = [];
+        var listData = {};
+        for(var i=0;i<keywords.length;i++)
+        {
+            var foundIndex = baseUrl.indexOf("&"+keywords[i]+"=");
+            if(foundIndex != -1)
+            {
+                listData[foundIndex] = keywords[i];
+                indexList.push(foundIndex);
+            }
+            
+        }
+        indexList.sort(function(a, b){return a - b})        
+
+        for(var i = 0;i<keywords.length;i++)
+        {
+            baseUrl = baseUrl.replace("&"+keywords[i]+"=","[split]")
+        }
+        var splitUrl = baseUrl.split("[split]");
+        
+        req.query = {};
+        for(var i=0;i<indexList.length;i++)
+            req.query[listData[indexList[i]]] = splitUrl[i+1];
+
+    }
+    return req;
+}
+
+utils.getUpdateFilter = function(obj)
+{
+    
+    if(obj.filter)
+    {
+
+        var filter = findValueInBracket(obj.filter);
+        obj = Object.assign(obj, filter);
+
+        delete obj.filter;
+    }
+
+
+    return obj;
+}
+
+utils.getQuery = async function(data,query){
+    if(!query)
+        var query = {};
+    //type !(xx) connot be use
+    var temFilter = data.filters;
+    for(var i = 0; i < temFilter.length; i++){
+        // console.log(temFilter[i].filters)
+        if(temFilter[i].filters){
+            query = getQuery(temFilter[i],query);
+        } else {
+            var operate = "";
+            switch(temFilter[i].type){
+                case 'equal': operate = '$eq'; break;
+                case 'ge': operate = '$gte'; break;//>=
+                case 'le': operate = '$lte'; break;//<=
+                case 'approx' : operate = '$in'; break;
+                default : operate = "$"+temFilter[i].type; break;
+            }
+
+            switch(operate){
+                case '$present' :
+                    break;
+                case '$substring' : 
+                    // if(temFilter[i].initial){
+                    //     query += temFilter[i].attribute +" LIKE '"+ temFilter[i].initial + "%'"
+                    // } else if(temFilter[i].final){
+                    //     query += temFilter[i].attribute +" LIKE '%" + temFilter[i].final + "'"
+                    // } else {
+                    //     var any = "%";
+                    //     for(var j = 0; j < temFilter[i].any.length; j++){
+                    //         any += temFilter[i].any[j]+"%";
+                    //     }
+                    //     query += temFilter[i].attribute +" LIKE '" + any + "'"
+                    // }
+                    break;
+                default : 
+                    // query += temFilter[i].attribute +" "+ operate +" "+ temFilter[i].value;
+                    var regexValue = new RegExp(temFilter[i].value,"g")
+                    if(data.type == 'or'){
+                        var objOr = {}
+                        var attribute = temFilter[i].attribute;
+                        objOr[attribute] = regexValue
+                        if(!query['$or'])
+                            query['$or'] = []
+                        query['$or'].push(objOr)
+                    } else {
+                        var attribute = temFilter[i].attribute;
+                        query[attribute] = regexValue
+                    }
+                    // query = Object.assign(obj, obj)
+                    break;
+            }
+            // query += temFilter[i].attribute +" "+ operate +" "+ temFilter[i].value;
+        }
+        // if(i != temFilter.length-1)
+            // query += " "+data.type.toUpperCase()+" "
+    }
+    return query;
+}
+
+function findValueInBracket(data)
+{
+    data = data.substring(1,data.length-1);
+    var returnData = {};
+
+
+    if(data.indexOf("&") == -1 && data.indexOf("|") == -1)
+    {
+        //single data
+        var t = data.split("=");
+        returnData[t[0]] = t[1];
+
+    }else
+    {
+        //multi data
+        var left = [];
+        var splitData = data.split("");
+        for(var i=0;i<splitData.length;i++)
+        {
+            if(splitData[i] === "(")
+            {
+                left.push(i);
+            }
+            else if(splitData[i] === ")")
+            {
+                var pop = left.pop();
+                var rawdata = data.substring(pop+1,i);
+                if(rawdata.indexOf("&") == -1 && rawdata.indexOf("|") == -1)
+                {
+                    var t = rawdata.split("=");
+
+                    if(!returnData[t[0]])
+                        returnData[t[0]] = [];
+                        
+                    returnData[t[0]].push(t[1]);
+                }
+                
+                    
+            }
+        }
+        
+        var keylist = Object.keys(returnData)
+        for(var i=0;i<keylist.length;i++)
+        {
+            
+            if(returnData[keylist[i]].length == 1)
+                returnData[keylist[i]] = returnData[keylist[i]][0];
+        }
+    }
+
+    return returnData;
+
+}
+
+module.exports = utils;
\ No newline at end of file
--
libgit2 0.21.2