diff --git a/src/core/5.inject.js b/src/core/5.inject.js
index 2bc662e18..3e606f1a7 100644
--- a/src/core/5.inject.js
+++ b/src/core/5.inject.js
@@ -10,27 +10,29 @@
     BI.module = BI.module || function (xtype, cls) {
         if (moduleInjection[xtype] != null) {
             _global.console && console.error("module： [" + xtype + "] 已经注册过了");
-        }
-        if (BI.isFunction(cls)) {
-            cls = cls();
-        }
-        for (var k in moduleInjectionMap) {
-            if (cls[k]) {
-                for (var key in cls[k]) {
-                    if (!moduleInjectionMap[k]) {
-                        continue;
-                    }
-                    if (!moduleInjectionMap[k][key]) {
-                        moduleInjectionMap[k][key] = [];
+        } else {
+            if (BI.isFunction(cls)) {
+                cls = cls();
+            }
+            for (var k in moduleInjectionMap) {
+                if (cls[k]) {
+                    for (var key in cls[k]) {
+                        if (!moduleInjectionMap[k]) {
+                            continue;
+                        }
+                        if (!moduleInjectionMap[k][key]) {
+                            moduleInjectionMap[k][key] = [];
+                        }
+                        moduleInjectionMap[k][key].push({
+                            version: cls[k][key],
+                            moduleId: xtype
+                        });
                     }
-                    moduleInjectionMap[k][key].push({
-                        version: cls[k][key],
-                        moduleId: xtype
-                    });
                 }
             }
+            moduleInjection[xtype] = cls;
         }
-        moduleInjection[xtype] = cls;
+        
         return function () {
             return BI.Modules.getModule(xtype);
         };
@@ -40,8 +42,10 @@
     BI.constant = BI.constant || function (xtype, cls) {
         if (constantInjection[xtype] != null) {
             _global.console && console.error("constant: [" + xtype + "]已经注册过了");
+        } else {
+            constantInjection[xtype] = cls;
         }
-        constantInjection[xtype] = cls;
+        
         return function () {
             return BI.Constants.getConstant(xtype);
         };
@@ -51,8 +55,10 @@
     BI.model = BI.model || function (xtype, cls) {
         if (modelInjection[xtype] != null) {
             _global.console && console.error("model: [" + xtype + "] 已经注册过了");
+        } else {
+            modelInjection[xtype] = cls;
         }
-        modelInjection[xtype] = cls;
+        
         return function (config) {
             return BI.Models.getModel(xtype, config);
         };
@@ -62,8 +68,10 @@
     BI.store = BI.store || function (xtype, cls) {
         if (storeInjection[xtype] != null) {
             _global.console && console.error("store: [" + xtype + "] 已经注册过了");
+        } else {
+            storeInjection[xtype] = cls;
         }
-        storeInjection[xtype] = cls;
+        
         return function (config) {
             return BI.Stores.getStore(xtype, config);
         };
@@ -73,8 +81,10 @@
     BI.service = BI.service || function (xtype, cls) {
         if (serviceInjection[xtype] != null) {
             _global.console && console.error("service: [" + xtype + "] 已经注册过了");
+        } else {
+            serviceInjection[xtype] = cls;
         }
-        serviceInjection[xtype] = cls;
+        
         return function (config) {
             return BI.Services.getService(xtype, config);
         };
@@ -84,8 +94,10 @@
     BI.provider = BI.provider || function (xtype, cls) {
         if (providerInjection[xtype] != null) {
             _global.console && console.error("provider: [" + xtype + "] 已经注册过了");
+        } else {
+            providerInjection[xtype] = cls;
         }
-        providerInjection[xtype] = cls;
+        
         return function (config) {
             return BI.Providers.getProvider(xtype, config);
         };
@@ -390,6 +402,8 @@
     BI.shortcut = BI.component = BI.shortcut || function (xtype, cls) {
         if (kv[xtype] != null) {
             _global.console && console.error("组件： [" + xtype + "] 已经注册过了");
+
+            return;
         }
         if (cls) {
             cls["xtype"] = xtype;